131 files changed, 2381 insertions, 928 deletions
diff --git a/Documentation/devicetree/bindings/net/mdio-gpio.txt b/Documentation/devicetree/bindings/net/mdio-gpio.txt
index c79bab025369..8dbcf8295c6c 100644
--- a/Documentation/devicetree/bindings/net/mdio-gpio.txt
+++ b/Documentation/devicetree/bindings/net/mdio-gpio.txt
@@ -14,7 +14,7 @@ node.
 Example:
 aliases {
-        mdio-gpio0 = <&mdio0>;
+        mdio-gpio0 = &mdio0;
 };
 mdio0: mdio {
diff --git a/Documentation/networking/filter.txt b/Documentation/networking/filter.txt
index 81f940f4e884..e3ba753cb714 100644
--- a/Documentation/networking/filter.txt
+++ b/Documentation/networking/filter.txt
@@ -277,7 +277,7 @@ Possible BPF extensions are shown in the following table:
  mark                                  skb->mark
  queue                                 skb->queue_mapping
  hatype                                skb->dev->type
-  rxhash                                skb->rxhash
+  rxhash                                skb->hash
  cpu                                   raw_smp_processor_id()
  vlan_tci                              vlan_tx_tag_get(skb)
  vlan_pr                               vlan_tx_tag_present(skb)
diff --git a/Documentation/networking/packet_mmap.txt b/Documentation/networking/packet_mmap.txt
index 6fea79efb4cb..38112d512f47 100644
--- a/Documentation/networking/packet_mmap.txt
+++ b/Documentation/networking/packet_mmap.txt
@@ -578,7 +578,7 @@ processes. This also works in combination with mmap(2) on packet sockets.
 Currently implemented fanout policies are:
-  - PACKET_FANOUT_HASH: schedule to socket by skb's rxhash
+  - PACKET_FANOUT_HASH: schedule to socket by skb's packet hash
  - PACKET_FANOUT_LB: schedule to socket by round-robin
  - PACKET_FANOUT_CPU: schedule to socket by CPU packet arrives on
  - PACKET_FANOUT_RND: schedule to socket by random selection
diff --git a/MAINTAINERS b/MAINTAINERS
index c47d2683bd6b..cc4511177949 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6514,10 +6514,10 @@ T:	git git://openrisc.net/~jonas/linux
 F:      arch/openrisc/
 OPENVSWITCH
-M:      Jesse Gross <jesse@nicira.com>
+M:      Pravin Shelar <pshelar@nicira.com>
 L:      dev@openvswitch.org
 W:      http://openvswitch.org
-T:      git git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch.git
+T:      git git://git.kernel.org/pub/scm/linux/kernel/git/pshelar/openvswitch.git
 S:      Maintained
 F:      net/openvswitch/
diff --git a/arch/s390/net/bpf_jit_comp.c b/arch/s390/net/bpf_jit_comp.c
index 452d3ebd9d0f..e9f8fa9337fe 100644
--- a/arch/s390/net/bpf_jit_comp.c
+++ b/arch/s390/net/bpf_jit_comp.c
@@ -811,7 +811,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int bpfsize,
                return NULL;
        memset(header, 0, sz);
        header->pages = sz / PAGE_SIZE;
-        hole = sz - (bpfsize + sizeof(*header));
+        hole = min(sz - (bpfsize + sizeof(*header)), PAGE_SIZE - sizeof(*header));
        /* Insert random number of illegal instructions before BPF code
         * and make sure the first instruction starts at an even address.
         */
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index dc017735bb91..6d5663a599a7 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -171,7 +171,7 @@ static struct bpf_binary_header *bpf_alloc_binary(unsigned int proglen,
        memset(header, 0xcc, sz); /* fill whole space with int3 instructions */
        header->pages = sz / PAGE_SIZE;
-        hole = sz - (proglen + sizeof(*header));
+        hole = min(sz - (proglen + sizeof(*header)), PAGE_SIZE - sizeof(*header));
        /* insert a random number of int3 instructions before BPF code */
        *image_ptr = &header->image[prandom_u32() % hole];
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 1b6dbe156a37..199c7896f081 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -48,6 +48,7 @@
 #include <linux/mlx4/driver.h>
 #include <linux/mlx4/cmd.h>
+#include <linux/mlx4/qp.h>
 #include "mlx4_ib.h"
 #include "user.h"
@@ -1614,6 +1615,53 @@ static int mlx4_ib_inet6_event(struct notifier_block *this, unsigned long event,
 }
 #endif
+#define MLX4_IB_INVALID_MAC     ((u64)-1)
+static void mlx4_ib_update_qps(struct mlx4_ib_dev *ibdev,
+                               struct net_device *dev,
+                               int port)
+{
+        u64 new_smac = 0;
+        u64 release_mac = MLX4_IB_INVALID_MAC;
+        struct mlx4_ib_qp *qp;
+        read_lock(&dev_base_lock);
+        new_smac = mlx4_mac_to_u64(dev->dev_addr);
+        read_unlock(&dev_base_lock);
+        mutex_lock(&ibdev->qp1_proxy_lock[port - 1]);
+        qp = ibdev->qp1_proxy[port - 1];
+        if (qp) {
+                int new_smac_index;
+                u64 old_smac = qp->pri.smac;
+                struct mlx4_update_qp_params update_params;
+                if (new_smac == old_smac)
+                        goto unlock;
+                new_smac_index = mlx4_register_mac(ibdev->dev, port, new_smac);
+                if (new_smac_index < 0)
+                        goto unlock;
+                update_params.smac_index = new_smac_index;
+                if (mlx4_update_qp(ibdev->dev, &qp->mqp, MLX4_UPDATE_QP_SMAC,
+                                   &update_params)) {
+                        release_mac = new_smac;
+                        goto unlock;
+                }
+                qp->pri.smac = new_smac;
+                qp->pri.smac_index = new_smac_index;
+                release_mac = old_smac;
+        }
+unlock:
+        mutex_unlock(&ibdev->qp1_proxy_lock[port - 1]);
+        if (release_mac != MLX4_IB_INVALID_MAC)
+                mlx4_unregister_mac(ibdev->dev, port, release_mac);
+}
 static void mlx4_ib_get_dev_addr(struct net_device *dev,
                                 struct mlx4_ib_dev *ibdev, u8 port)
 {
@@ -1689,9 +1737,13 @@ static int mlx4_ib_init_gid_table(struct mlx4_ib_dev *ibdev)
        return 0;
 }
-static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
+static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev,
+                                 struct net_device *dev,
+                                 unsigned long event)
 {
        struct mlx4_ib_iboe *iboe;
+        int update_qps_port = -1;
        int port;
        iboe = &ibdev->iboe;
@@ -1719,6 +1771,11 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
                }
                curr_master = iboe->masters[port - 1];
+                if (dev == iboe->netdevs[port - 1] &&
+                    (event == NETDEV_CHANGEADDR || event == NETDEV_REGISTER ||
+                     event == NETDEV_UP || event == NETDEV_CHANGE))
+                        update_qps_port = port;
                if (curr_netdev) {
                        port_state = (netif_running(curr_netdev) && netif_carrier_ok(curr_netdev)) ?
                                                IB_PORT_ACTIVE : IB_PORT_DOWN;
@@ -1752,6 +1809,9 @@ static void mlx4_ib_scan_netdevs(struct mlx4_ib_dev *ibdev)
        }
        spin_unlock(&iboe->lock);
+        if (update_qps_port > 0)
+                mlx4_ib_update_qps(ibdev, dev, update_qps_port);
 }
 static int mlx4_ib_netdev_event(struct notifier_block *this,
@@ -1764,7 +1824,7 @@ static int mlx4_ib_netdev_event(struct notifier_block *this,
                return NOTIFY_DONE;
        ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb);
-        mlx4_ib_scan_netdevs(ibdev);
+        mlx4_ib_scan_netdevs(ibdev, dev, event);
        return NOTIFY_DONE;
 }
@@ -2043,6 +2103,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                goto err_map;
        for (i = 0; i < ibdev->num_ports; ++i) {
+                mutex_init(&ibdev->qp1_proxy_lock[i]);
                if (mlx4_ib_port_link_layer(&ibdev->ib_dev, i + 1) ==
                                                IB_LINK_LAYER_ETHERNET) {
                        err = mlx4_counter_alloc(ibdev->dev, &ibdev->counters[i]);
@@ -2126,7 +2187,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
                for (i = 1 ; i <= ibdev->num_ports ; ++i)
                        reset_gid_table(ibdev, i);
                rtnl_lock();
-                mlx4_ib_scan_netdevs(ibdev);
+                mlx4_ib_scan_netdevs(ibdev, NULL, 0);
                rtnl_unlock();
                mlx4_ib_init_gid_table(ibdev);
        }
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h
index f589522fddfd..66b0b7dbd9f4 100644
--- a/drivers/infiniband/hw/mlx4/mlx4_ib.h
+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h
@@ -522,6 +522,9 @@ struct mlx4_ib_dev {
        int steer_qpn_count;
        int steer_qpn_base;
        int steering_support;
+        struct mlx4_ib_qp      *qp1_proxy[MLX4_MAX_PORTS];
+        /* lock when destroying qp1_proxy and getting netdev events */
+        struct mutex            qp1_proxy_lock[MLX4_MAX_PORTS];
 };
 struct ib_event_work {
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 41308af4163c..dc57482ae7af 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1132,6 +1132,12 @@ int mlx4_ib_destroy_qp(struct ib_qp *qp)
        if (is_qp0(dev, mqp))
                mlx4_CLOSE_PORT(dev->dev, mqp->port);
+        if (dev->qp1_proxy[mqp->port - 1] == mqp) {
+                mutex_lock(&dev->qp1_proxy_lock[mqp->port - 1]);
+                dev->qp1_proxy[mqp->port - 1] = NULL;
+                mutex_unlock(&dev->qp1_proxy_lock[mqp->port - 1]);
+        }
        pd = get_pd(mqp);
        destroy_qp_common(dev, mqp, !!pd->ibpd.uobject);
@@ -1646,6 +1652,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
                                err = handle_eth_ud_smac_index(dev, qp, (u8 *)attr->smac, context);
                                if (err)
                                        return -EINVAL;
+                                if (qp->mlx4_ib_qp_type == MLX4_IB_QPT_PROXY_GSI)
+                                        dev->qp1_proxy[qp->port - 1] = qp;
                        }
                }
        }
diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c
index 9f69e818b000..93580a47cc54 100644
--- a/drivers/net/bonding/bond_alb.c
+++ b/drivers/net/bonding/bond_alb.c
@@ -82,7 +82,8 @@ static inline struct arp_pkt *arp_pkt(const struct sk_buff *skb)
 }
 /* Forward declaration */
-static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[]);
+static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
+                                      bool strict_match);
 static void rlb_purge_src_ip(struct bonding *bond, struct arp_pkt *arp);
 static void rlb_src_unlink(struct bonding *bond, u32 index);
 static void rlb_src_link(struct bonding *bond, u32 ip_src_hash,
@@ -459,7 +460,7 @@ static void rlb_teach_disabled_mac_on_primary(struct bonding *bond, u8 addr[])
        bond->alb_info.rlb_promisc_timeout_counter = 0;
-        alb_send_learning_packets(bond->curr_active_slave, addr);
+        alb_send_learning_packets(bond->curr_active_slave, addr, true);
 }
 /* slave being removed should not be active at this point
@@ -995,7 +996,7 @@ static void rlb_clear_vlan(struct bonding *bond, unsigned short vlan_id)
 /*********************** tlb/rlb shared functions *********************/
 static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
-                            u16 vid)
+                            __be16 vlan_proto, u16 vid)
 {
        struct learning_pkt pkt;
        struct sk_buff *skb;
@@ -1021,7 +1022,7 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
        skb->dev = slave->dev;
        if (vid) {
-                skb = vlan_put_tag(skb, htons(ETH_P_8021Q), vid);
+                skb = vlan_put_tag(skb, vlan_proto, vid);
                if (!skb) {
                        pr_err("%s: Error: failed to insert VLAN tag\n",
                               slave->bond->dev->name);
@@ -1032,22 +1033,32 @@ static void alb_send_lp_vid(struct slave *slave, u8 mac_addr[],
        dev_queue_xmit(skb);
 }
+static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[],
-static void alb_send_learning_packets(struct slave *slave, u8 mac_addr[])
+                                      bool strict_match)
 {
        struct bonding *bond = bond_get_bond_by_slave(slave);
        struct net_device *upper;
        struct list_head *iter;
        /* send untagged */
-        alb_send_lp_vid(slave, mac_addr, 0);
+        alb_send_lp_vid(slave, mac_addr, 0, 0);
        /* loop through vlans and send one packet for each */
        rcu_read_lock();
        netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
-                if (upper->priv_flags & IFF_802_1Q_VLAN)
+                if (is_vlan_dev(upper) && vlan_get_encap_level(upper) == 0) {
-                        alb_send_lp_vid(slave, mac_addr,
+                        if (strict_match &&
-                                        vlan_dev_vlan_id(upper));
+                            ether_addr_equal_64bits(mac_addr,
+                                                    upper->dev_addr)) {
+                                alb_send_lp_vid(slave, mac_addr,
+                                                vlan_dev_vlan_proto(upper),
+                                                vlan_dev_vlan_id(upper));
+                        } else if (!strict_match) {
+                                alb_send_lp_vid(slave, upper->dev_addr,
+                                                vlan_dev_vlan_proto(upper),
+                                                vlan_dev_vlan_id(upper));
+                        }
+                }
        }
        rcu_read_unlock();
 }
@@ -1107,7 +1118,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
        /* fasten the change in the switch */
        if (SLAVE_IS_OK(slave1)) {
-                alb_send_learning_packets(slave1, slave1->dev->dev_addr);
+                alb_send_learning_packets(slave1, slave1->dev->dev_addr, false);
                if (bond->alb_info.rlb_enabled) {
                        /* inform the clients that the mac address
                         * has changed
@@ -1119,7 +1130,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1,
        }
        if (SLAVE_IS_OK(slave2)) {
-                alb_send_learning_packets(slave2, slave2->dev->dev_addr);
+                alb_send_learning_packets(slave2, slave2->dev->dev_addr, false);
                if (bond->alb_info.rlb_enabled) {
                        /* inform the clients that the mac address
                         * has changed
@@ -1490,6 +1501,8 @@ void bond_alb_monitor(struct work_struct *work)
        /* send learning packets */
        if (bond_info->lp_counter >= BOND_ALB_LP_TICKS(bond)) {
+                bool strict_match;
                /* change of curr_active_slave involves swapping of mac addresses.
                 * in order to avoid this swapping from happening while
                 * sending the learning packets, the curr_slave_lock must be held for
@@ -1497,8 +1510,15 @@ void bond_alb_monitor(struct work_struct *work)
                 */
                read_lock(&bond->curr_slave_lock);
-                bond_for_each_slave_rcu(bond, slave, iter)
+                bond_for_each_slave_rcu(bond, slave, iter) {
-                        alb_send_learning_packets(slave, slave->dev->dev_addr);
+                        /* If updating current_active, use all currently
+                         * user mac addreses (!strict_match).  Otherwise, only
+                         * use mac of the slave device.
+                         */
+                        strict_match = (slave != bond->curr_active_slave);
+                        alb_send_learning_packets(slave, slave->dev->dev_addr,
+                                                  strict_match);
+                }
                read_unlock(&bond->curr_slave_lock);
@@ -1721,7 +1741,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave
        } else {
                /* set the new_slave to the bond mac address */
                alb_set_slave_mac_addr(new_slave, bond->dev->dev_addr);
-                alb_send_learning_packets(new_slave, bond->dev->dev_addr);
+                alb_send_learning_packets(new_slave, bond->dev->dev_addr,
+                                          false);
        }
        write_lock_bh(&bond->curr_slave_lock);
@@ -1764,7 +1785,8 @@ int bond_alb_set_mac_address(struct net_device *bond_dev, void *addr)
                alb_set_slave_mac_addr(bond->curr_active_slave, bond_dev->dev_addr);
                read_lock(&bond->lock);
-                alb_send_learning_packets(bond->curr_active_slave, bond_dev->dev_addr);
+                alb_send_learning_packets(bond->curr_active_slave,
+                                          bond_dev->dev_addr, false);
                if (bond->alb_info.rlb_enabled) {
                        /* inform clients mac address has changed */
                        rlb_req_update_slave_clients(bond, bond->curr_active_slave);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 69aff72c8957..d3a67896d435 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2126,10 +2126,10 @@ static bool bond_has_this_ip(struct bonding *bond, __be32 ip)
 */
 static void bond_arp_send(struct net_device *slave_dev, int arp_op,
                          __be32 dest_ip, __be32 src_ip,
-                          struct bond_vlan_tag *inner,
+                          struct bond_vlan_tag *tags)
-                          struct bond_vlan_tag *outer)
 {
        struct sk_buff *skb;
+        int i;
        pr_debug("arp %d on slave %s: dst %pI4 src %pI4\n",
                 arp_op, slave_dev->name, &dest_ip, &src_ip);
@@ -2141,21 +2141,26 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op,
                net_err_ratelimited("ARP packet allocation failed\n");
                return;
        }
-        if (outer->vlan_id) {
-                if (inner->vlan_id) {
-                        pr_debug("inner tag: proto %X vid %X\n",
-                                 ntohs(inner->vlan_proto), inner->vlan_id);
-                        skb = __vlan_put_tag(skb, inner->vlan_proto,
-                                             inner->vlan_id);
-                        if (!skb) {
-                                net_err_ratelimited("failed to insert inner VLAN tag\n");
-                                return;
-                        }
-                }
-                pr_debug("outer reg: proto %X vid %X\n",
+        /* Go through all the tags backwards and add them to the packet */
-                         ntohs(outer->vlan_proto), outer->vlan_id);
+        for (i = BOND_MAX_VLAN_ENCAP - 1; i > 0; i--) {
-                skb = vlan_put_tag(skb, outer->vlan_proto, outer->vlan_id);
+                if (!tags[i].vlan_id)
+                        continue;
+                pr_debug("inner tag: proto %X vid %X\n",
+                         ntohs(tags[i].vlan_proto), tags[i].vlan_id);
+                skb = __vlan_put_tag(skb, tags[i].vlan_proto,
+                                     tags[i].vlan_id);
+                if (!skb) {
+                        net_err_ratelimited("failed to insert inner VLAN tag\n");
+                        return;
+                }
+        }
+        /* Set the outer tag */
+        if (tags[0].vlan_id) {
+                pr_debug("outer tag: proto %X vid %X\n",
+                         ntohs(tags[0].vlan_proto), tags[0].vlan_id);
+                skb = vlan_put_tag(skb, tags[0].vlan_proto, tags[0].vlan_id);
                if (!skb) {
                        net_err_ratelimited("failed to insert outer VLAN tag\n");
                        return;
@@ -2164,22 +2169,52 @@ static void bond_arp_send(struct net_device *slave_dev, int arp_op,
        arp_xmit(skb);
 }
+/* Validate the device path between the @start_dev and the @end_dev.
+ * The path is valid if the @end_dev is reachable through device
+ * stacking.
+ * When the path is validated, collect any vlan information in the
+ * path.
+ */
+static bool bond_verify_device_path(struct net_device *start_dev,
+                                    struct net_device *end_dev,
+                                    struct bond_vlan_tag *tags)
+{
+        struct net_device *upper;
+        struct list_head  *iter;
+        int  idx;
+        if (start_dev == end_dev)
+                return true;
+        netdev_for_each_upper_dev_rcu(start_dev, upper, iter) {
+                if (bond_verify_device_path(upper, end_dev, tags)) {
+                        if (is_vlan_dev(upper)) {
+                                idx = vlan_get_encap_level(upper);
+                                if (idx >= BOND_MAX_VLAN_ENCAP)
+                                        return false;
+                                tags[idx].vlan_proto =
+                                                    vlan_dev_vlan_proto(upper);
+                                tags[idx].vlan_id = vlan_dev_vlan_id(upper);
+                        }
+                        return true;
+                }
+        }
+        return false;
+}
 static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
 {
-        struct net_device *upper, *vlan_upper;
-        struct list_head *iter, *vlan_iter;
        struct rtable *rt;
-        struct bond_vlan_tag inner, outer;
+        struct bond_vlan_tag tags[BOND_MAX_VLAN_ENCAP];
        __be32 *targets = bond->params.arp_targets, addr;
        int i;
+        bool ret;
        for (i = 0; i < BOND_MAX_ARP_TARGETS && targets[i]; i++) {
                pr_debug("basa: target %pI4\n", &targets[i]);
-                inner.vlan_proto = 0;
+                memset(tags, 0, sizeof(tags));
-                inner.vlan_id = 0;
-                outer.vlan_proto = 0;
-                outer.vlan_id = 0;
                /* Find out through which dev should the packet go */
                rt = ip_route_output(dev_net(bond->dev), targets[i], 0,
@@ -2192,7 +2227,8 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
                                net_warn_ratelimited("%s: no route to arp_ip_target %pI4 and arp_validate is set\n",
                                                     bond->dev->name,
                                                     &targets[i]);
-                        bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i], 0, &inner, &outer);
+                        bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
+                                      0, tags);
                        continue;
                }
@@ -2201,52 +2237,12 @@ static void bond_arp_send_all(struct bonding *bond, struct slave *slave)
                        goto found;
                rcu_read_lock();
-                /* first we search only for vlan devices. for every vlan
+                ret = bond_verify_device_path(bond->dev, rt->dst.dev, tags);
-                 * found we verify its upper dev list, searching for the
-                 * rt->dst.dev. If found we save the tag of the vlan and
-                 * proceed to send the packet.
-                 */
-                netdev_for_each_all_upper_dev_rcu(bond->dev, vlan_upper,
-                                                  vlan_iter) {
-                        if (!is_vlan_dev(vlan_upper))
-                                continue;
-                        if (vlan_upper == rt->dst.dev) {
-                                outer.vlan_proto = vlan_dev_vlan_proto(vlan_upper);
-                                outer.vlan_id = vlan_dev_vlan_id(vlan_upper);
-                                rcu_read_unlock();
-                                goto found;
-                        }
-                        netdev_for_each_all_upper_dev_rcu(vlan_upper, upper,
-                                                          iter) {
-                                if (upper == rt->dst.dev) {
-                                        /* If the upper dev is a vlan dev too,
-                                         *  set the vlan tag to inner tag.
-                                         */
-                                        if (is_vlan_dev(upper)) {
-                                                inner.vlan_proto = vlan_dev_vlan_proto(upper);
-                                                inner.vlan_id = vlan_dev_vlan_id(upper);
-                                        }
-                                        outer.vlan_proto = vlan_dev_vlan_proto(vlan_upper);
-                                        outer.vlan_id = vlan_dev_vlan_id(vlan_upper);
-                                        rcu_read_unlock();
-                                        goto found;
-                                }
-                        }
-                }
-                /* if the device we're looking for is not on top of any of
-                 * our upper vlans, then just search for any dev that
-                 * matches, and in case it's a vlan - save the id
-                 */
-                netdev_for_each_all_upper_dev_rcu(bond->dev, upper, iter) {
-                        if (upper == rt->dst.dev) {
-                                rcu_read_unlock();
-                                goto found;
-                        }
-                }
                rcu_read_unlock();
+                if (ret)
+                        goto found;
                /* Not our device - skip */
                pr_debug("%s: no path to arp_ip_target %pI4 via rt.dev %s\n",
                         bond->dev->name, &targets[i],
@@ -2259,7 +2255,7 @@ found:
                addr = bond_confirm_addr(rt->dst.dev, targets[i], 0);
                ip_rt_put(rt);
                bond_arp_send(slave->dev, ARPOP_REQUEST, targets[i],
-                              addr, &inner, &outer);
+                              addr, tags);
        }
 }
diff --git a/drivers/net/bonding/bond_options.c b/drivers/net/bonding/bond_options.c
index 724e30fa20b9..832070298446 100644
--- a/drivers/net/bonding/bond_options.c
+++ b/drivers/net/bonding/bond_options.c
@@ -125,6 +125,7 @@ static const struct bond_opt_value bond_fail_over_mac_tbl[] = {
 static const struct bond_opt_value bond_intmax_tbl[] = {
        { "off",     0,       BOND_VALFLAG_DEFAULT},
        { "maxval",  INT_MAX, BOND_VALFLAG_MAX},
+        { NULL,      -1,      0}
 };
 static const struct bond_opt_value bond_lacp_rate_tbl[] = {
diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h
index b8bdd0acc8f3..00bea320e3b5 100644
--- a/drivers/net/bonding/bonding.h
+++ b/drivers/net/bonding/bonding.h
@@ -36,6 +36,7 @@
 #define bond_version DRV_DESCRIPTION ": v" DRV_VERSION " (" DRV_RELDATE ")\n"
+#define BOND_MAX_VLAN_ENCAP     2
 #define BOND_MAX_ARP_TARGETS    16
 #define BOND_DEFAULT_MIIMON     100
diff --git a/drivers/net/can/c_can/Kconfig b/drivers/net/can/c_can/Kconfig
index 8ab7103d4f44..61ffc12d8fd8 100644
--- a/drivers/net/can/c_can/Kconfig
+++ b/drivers/net/can/c_can/Kconfig
@@ -14,13 +14,6 @@ config CAN_C_CAN_PLATFORM
          SPEAr1310 and SPEAr320 evaluation boards & TI (www.ti.com)
          boards like am335x, dm814x, dm813x and dm811x.
-config CAN_C_CAN_STRICT_FRAME_ORDERING
-        bool "Force a strict RX CAN frame order (may cause frame loss)"
-        ---help---
-          The RX split buffer prevents packet reordering but can cause packet
-          loss. Only enable this option when you accept to lose CAN frames
-          in favour of getting the received CAN frames in the correct order.
 config CAN_C_CAN_PCI
        tristate "Generic PCI Bus based C_CAN/D_CAN driver"
        depends on PCI
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index a2ca820b5373..95e04e2002da 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -732,26 +732,12 @@ static u32 c_can_adjust_pending(u32 pend)
 static inline void c_can_rx_object_get(struct net_device *dev,
                                       struct c_can_priv *priv, u32 obj)
 {
-#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
-        if (obj < C_CAN_MSG_RX_LOW_LAST)
-                c_can_object_get(dev, IF_RX, obj, IF_COMM_RCV_LOW);
-        else
-#endif
                c_can_object_get(dev, IF_RX, obj, priv->comm_rcv_high);
 }
 static inline void c_can_rx_finalize(struct net_device *dev,
                                     struct c_can_priv *priv, u32 obj)
 {
-#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
-        if (obj < C_CAN_MSG_RX_LOW_LAST)
-                priv->rxmasked |= BIT(obj - 1);
-        else if (obj == C_CAN_MSG_RX_LOW_LAST) {
-                priv->rxmasked = 0;
-                /* activate all lower message objects */
-                c_can_activate_all_lower_rx_msg_obj(dev, IF_RX);
-        }
-#endif
        if (priv->type != BOSCH_D_CAN)
                c_can_object_get(dev, IF_RX, obj, IF_COMM_CLR_NEWDAT);
 }
@@ -799,9 +785,6 @@ static inline u32 c_can_get_pending(struct c_can_priv *priv)
 {
        u32 pend = priv->read_reg(priv, C_CAN_NEWDAT1_REG);
-#ifdef CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING
-        pend &= ~priv->rxmasked;
-#endif
        return pend;
 }
@@ -814,25 +797,6 @@ static inline u32 c_can_get_pending(struct c_can_priv *priv)
 * has arrived. To work-around this issue, we keep two groups of message
 * objects whose partitioning is defined by C_CAN_MSG_OBJ_RX_SPLIT.
 *
- * If CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING = y
- *
- * To ensure in-order frame reception we use the following
- * approach while re-activating a message object to receive further
- * frames:
- * - if the current message object number is lower than
- *   C_CAN_MSG_RX_LOW_LAST, do not clear the NEWDAT bit while clearing
- *   the INTPND bit.
- * - if the current message object number is equal to
- *   C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of all lower
- *   receive message objects.
- * - if the current message object number is greater than
- *   C_CAN_MSG_RX_LOW_LAST then clear the NEWDAT bit of
- *   only this message object.
- *
- * This can cause packet loss!
- *
- * If CONFIG_CAN_C_CAN_STRICT_FRAME_ORDERING = n
- *
 * We clear the newdat bit right away.
 *
 * This can result in packet reordering when the readout is slow.
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index c540e3d12e3d..564933ae218c 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -551,7 +551,7 @@ static int peak_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
        struct sja1000_priv *priv;
        struct peak_pci_chan *chan;
-        struct net_device *dev;
+        struct net_device *dev, *prev_dev;
        void __iomem *cfg_base, *reg_base;
        u16 sub_sys_id, icr;
        int i, err, channels;
@@ -688,11 +688,13 @@ failure_remove_channels:
        writew(0x0, cfg_base + PITA_ICR + 2);
        chan = NULL;
-        for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
+        for (dev = pci_get_drvdata(pdev); dev; dev = prev_dev) {
-                unregister_sja1000dev(dev);
-                free_sja1000dev(dev);
                priv = netdev_priv(dev);
                chan = priv->priv;
+                prev_dev = chan->prev_dev;
+                unregister_sja1000dev(dev);
+                free_sja1000dev(dev);
        }
        /* free any PCIeC resources too */
@@ -726,10 +728,12 @@ static void peak_pci_remove(struct pci_dev *pdev)
        /* Loop over all registered devices */
        while (1) {
+                struct net_device *prev_dev = chan->prev_dev;
                dev_info(&pdev->dev, "removing device %s\n", dev->name);
                unregister_sja1000dev(dev);
                free_sja1000dev(dev);
-                dev = chan->prev_dev;
+                dev = prev_dev;
                if (!dev) {
                        /* do that only for first channel */
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index 39b26fe28d10..d7401017a3f1 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -35,6 +35,18 @@ source "drivers/net/ethernet/calxeda/Kconfig"
 source "drivers/net/ethernet/chelsio/Kconfig"
 source "drivers/net/ethernet/cirrus/Kconfig"
 source "drivers/net/ethernet/cisco/Kconfig"
+config CX_ECAT
+        tristate "Beckhoff CX5020 EtherCAT master support"
+        depends on PCI
+        ---help---
+          Driver for EtherCAT master module located on CCAT FPGA
+          that can be found on Beckhoff CX5020, and possibly other of CX
+          Beckhoff CX series industrial PCs.
+          To compile this driver as a module, choose M here. The module
+          will be called ec_bhf.
 source "drivers/net/ethernet/davicom/Kconfig"
 config DNET
diff --git a/drivers/net/ethernet/Makefile b/drivers/net/ethernet/Makefile
index 545d0b3b9cb4..35190e36c456 100644
--- a/drivers/net/ethernet/Makefile
+++ b/drivers/net/ethernet/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_NET_CALXEDA_XGMAC) += calxeda/
 obj-$(CONFIG_NET_VENDOR_CHELSIO) += chelsio/
 obj-$(CONFIG_NET_VENDOR_CIRRUS) += cirrus/
 obj-$(CONFIG_NET_VENDOR_CISCO) += cisco/
+obj-$(CONFIG_CX_ECAT) += ec_bhf.o
 obj-$(CONFIG_DM9000) += davicom/
 obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_NET_VENDOR_DEC) += dec/
diff --git a/drivers/net/ethernet/altera/Makefile b/drivers/net/ethernet/altera/Makefile
index d4a187e45369..3eff2fd3997e 100644
--- a/drivers/net/ethernet/altera/Makefile
+++ b/drivers/net/ethernet/altera/Makefile
@@ -5,3 +5,4 @@
 obj-$(CONFIG_ALTERA_TSE) += altera_tse.o
 altera_tse-objs := altera_tse_main.o altera_tse_ethtool.o \
 altera_msgdma.o altera_sgdma.o altera_utils.o
+ccflags-y += -D__CHECK_ENDIAN__
diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c
index 4d1f2fdd5c32..0fb986ba3290 100644
--- a/drivers/net/ethernet/altera/altera_msgdma.c
+++ b/drivers/net/ethernet/altera/altera_msgdma.c
@@ -37,18 +37,16 @@ void msgdma_start_rxdma(struct altera_tse_private *priv)
 void msgdma_reset(struct altera_tse_private *priv)
 {
        int counter;
-        struct msgdma_csr *txcsr =
-                (struct msgdma_csr *)priv->tx_dma_csr;
-        struct msgdma_csr *rxcsr =
-                (struct msgdma_csr *)priv->rx_dma_csr;
        /* Reset Rx mSGDMA */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->rx_dma_csr,
-        iowrite32(MSGDMA_CSR_CTL_RESET, &rxcsr->control);
+                msgdma_csroffs(status));
+        csrwr32(MSGDMA_CSR_CTL_RESET, priv->rx_dma_csr,
+                msgdma_csroffs(control));
        counter = 0;
        while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                if (tse_bit_is_clear(&rxcsr->status,
+                if (tse_bit_is_clear(priv->rx_dma_csr, msgdma_csroffs(status),
                                     MSGDMA_CSR_STAT_RESETTING))
                        break;
                udelay(1);
@@ -59,15 +57,18 @@ void msgdma_reset(struct altera_tse_private *priv)
                           "TSE Rx mSGDMA resetting bit never cleared!\n");
        /* clear all status bits */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->rx_dma_csr, msgdma_csroffs(status));
        /* Reset Tx mSGDMA */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &txcsr->status);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->tx_dma_csr,
-        iowrite32(MSGDMA_CSR_CTL_RESET, &txcsr->control);
+                msgdma_csroffs(status));
+        csrwr32(MSGDMA_CSR_CTL_RESET, priv->tx_dma_csr,
+                msgdma_csroffs(control));
        counter = 0;
        while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                if (tse_bit_is_clear(&txcsr->status,
+                if (tse_bit_is_clear(priv->tx_dma_csr, msgdma_csroffs(status),
                                     MSGDMA_CSR_STAT_RESETTING))
                        break;
                udelay(1);
@@ -78,58 +79,58 @@ void msgdma_reset(struct altera_tse_private *priv)
                           "TSE Tx mSGDMA resetting bit never cleared!\n");
        /* clear all status bits */
-        iowrite32(MSGDMA_CSR_STAT_MASK, &txcsr->status);
+        csrwr32(MSGDMA_CSR_STAT_MASK, priv->tx_dma_csr, msgdma_csroffs(status));
 }
 void msgdma_disable_rxirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->rx_dma_csr;
+        tse_clear_bit(priv->rx_dma_csr, msgdma_csroffs(control),
-        tse_clear_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+                      MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 void msgdma_enable_rxirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->rx_dma_csr;
+        tse_set_bit(priv->rx_dma_csr, msgdma_csroffs(control),
-        tse_set_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+                    MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 void msgdma_disable_txirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->tx_dma_csr;
+        tse_clear_bit(priv->tx_dma_csr, msgdma_csroffs(control),
-        tse_clear_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+                      MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 void msgdma_enable_txirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->tx_dma_csr;
+        tse_set_bit(priv->tx_dma_csr, msgdma_csroffs(control),
-        tse_set_bit(&csr->control, MSGDMA_CSR_CTL_GLOBAL_INTR);
+                    MSGDMA_CSR_CTL_GLOBAL_INTR);
 }
 void msgdma_clear_rxirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->rx_dma_csr;
+        csrwr32(MSGDMA_CSR_STAT_IRQ, priv->rx_dma_csr, msgdma_csroffs(status));
-        iowrite32(MSGDMA_CSR_STAT_IRQ, &csr->status);
 }
 void msgdma_clear_txirq(struct altera_tse_private *priv)
 {
-        struct msgdma_csr *csr = priv->tx_dma_csr;
+        csrwr32(MSGDMA_CSR_STAT_IRQ, priv->tx_dma_csr, msgdma_csroffs(status));
-        iowrite32(MSGDMA_CSR_STAT_IRQ, &csr->status);
 }
 /* return 0 to indicate transmit is pending */
 int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
 {
-        struct msgdma_extended_desc *desc = priv->tx_dma_desc;
+        csrwr32(lower_32_bits(buffer->dma_addr), priv->tx_dma_desc,
+                msgdma_descroffs(read_addr_lo));
-        iowrite32(lower_32_bits(buffer->dma_addr), &desc->read_addr_lo);
+        csrwr32(upper_32_bits(buffer->dma_addr), priv->tx_dma_desc,
-        iowrite32(upper_32_bits(buffer->dma_addr), &desc->read_addr_hi);
+                msgdma_descroffs(read_addr_hi));
-        iowrite32(0, &desc->write_addr_lo);
+        csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(write_addr_lo));
-        iowrite32(0, &desc->write_addr_hi);
+        csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(write_addr_hi));
-        iowrite32(buffer->len, &desc->len);
+        csrwr32(buffer->len, priv->tx_dma_desc, msgdma_descroffs(len));
-        iowrite32(0, &desc->burst_seq_num);
+        csrwr32(0, priv->tx_dma_desc, msgdma_descroffs(burst_seq_num));
-        iowrite32(MSGDMA_DESC_TX_STRIDE, &desc->stride);
+        csrwr32(MSGDMA_DESC_TX_STRIDE, priv->tx_dma_desc,
-        iowrite32(MSGDMA_DESC_CTL_TX_SINGLE, &desc->control);
+                msgdma_descroffs(stride));
+        csrwr32(MSGDMA_DESC_CTL_TX_SINGLE, priv->tx_dma_desc,
+                msgdma_descroffs(control));
        return 0;
 }
@@ -138,17 +139,16 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
        u32 ready = 0;
        u32 inuse;
        u32 status;
-        struct msgdma_csr *txcsr =
-                (struct msgdma_csr *)priv->tx_dma_csr;
        /* Get number of sent descriptors */
-        inuse = ioread32(&txcsr->rw_fill_level) & 0xffff;
+        inuse = csrrd32(priv->tx_dma_csr, msgdma_csroffs(rw_fill_level))
+                        & 0xffff;
        if (inuse) { /* Tx FIFO is not empty */
                ready = priv->tx_prod - priv->tx_cons - inuse - 1;
        } else {
                /* Check for buffered last packet */
-                status = ioread32(&txcsr->status);
+                status = csrrd32(priv->tx_dma_csr, msgdma_csroffs(status));
                if (status & MSGDMA_CSR_STAT_BUSY)
                        ready = priv->tx_prod - priv->tx_cons - 1;
                else
@@ -162,7 +162,6 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
 void msgdma_add_rx_desc(struct altera_tse_private *priv,
                        struct tse_buffer *rxbuffer)
 {
-        struct msgdma_extended_desc *desc = priv->rx_dma_desc;
        u32 len = priv->rx_dma_buf_sz;
        dma_addr_t dma_addr = rxbuffer->dma_addr;
        u32 control = (MSGDMA_DESC_CTL_END_ON_EOP
@@ -172,14 +171,16 @@ void msgdma_add_rx_desc(struct altera_tse_private *priv,
                        | MSGDMA_DESC_CTL_TR_ERR_IRQ
                        | MSGDMA_DESC_CTL_GO);
-        iowrite32(0, &desc->read_addr_lo);
+        csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(read_addr_lo));
-        iowrite32(0, &desc->read_addr_hi);
+        csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(read_addr_hi));
-        iowrite32(lower_32_bits(dma_addr), &desc->write_addr_lo);
+        csrwr32(lower_32_bits(dma_addr), priv->rx_dma_desc,
-        iowrite32(upper_32_bits(dma_addr), &desc->write_addr_hi);
+                msgdma_descroffs(write_addr_lo));
-        iowrite32(len, &desc->len);
+        csrwr32(upper_32_bits(dma_addr), priv->rx_dma_desc,
-        iowrite32(0, &desc->burst_seq_num);
+                msgdma_descroffs(write_addr_hi));
-        iowrite32(0x00010001, &desc->stride);
+        csrwr32(len, priv->rx_dma_desc, msgdma_descroffs(len));
-        iowrite32(control, &desc->control);
+        csrwr32(0, priv->rx_dma_desc, msgdma_descroffs(burst_seq_num));
+        csrwr32(0x00010001, priv->rx_dma_desc, msgdma_descroffs(stride));
+        csrwr32(control, priv->rx_dma_desc, msgdma_descroffs(control));
 }
 /* status is returned on upper 16 bits,
@@ -190,14 +191,13 @@ u32 msgdma_rx_status(struct altera_tse_private *priv)
        u32 rxstatus = 0;
        u32 pktlength;
        u32 pktstatus;
-        struct msgdma_csr *rxcsr =
-                (struct msgdma_csr *)priv->rx_dma_csr;
+        if (csrrd32(priv->rx_dma_csr, msgdma_csroffs(resp_fill_level))
-        struct msgdma_response *rxresp =
+            & 0xffff) {
-                (struct msgdma_response *)priv->rx_dma_resp;
+                pktlength = csrrd32(priv->rx_dma_resp,
+                                    msgdma_respoffs(bytes_transferred));
-        if (ioread32(&rxcsr->resp_fill_level) & 0xffff) {
+                pktstatus = csrrd32(priv->rx_dma_resp,
-                pktlength = ioread32(&rxresp->bytes_transferred);
+                                    msgdma_respoffs(status));
-                pktstatus = ioread32(&rxresp->status);
                rxstatus = pktstatus;
                rxstatus = rxstatus << 16;
                rxstatus |= (pktlength & 0xffff);
diff --git a/drivers/net/ethernet/altera/altera_msgdmahw.h b/drivers/net/ethernet/altera/altera_msgdmahw.h
index d7b59ba4019c..e335626e1b6b 100644
--- a/drivers/net/ethernet/altera/altera_msgdmahw.h
+++ b/drivers/net/ethernet/altera/altera_msgdmahw.h
@@ -17,15 +17,6 @@
 #ifndef __ALTERA_MSGDMAHW_H__
 #define __ALTERA_MSGDMAHW_H__
-/* mSGDMA standard descriptor format
- */
-struct msgdma_desc {
-        u32 read_addr;  /* data buffer source address */
-        u32 write_addr; /* data buffer destination address */
-        u32 len;        /* the number of bytes to transfer per descriptor */
-        u32 control;    /* characteristics of the transfer */
-};
 /* mSGDMA extended descriptor format
 */
 struct msgdma_extended_desc {
@@ -159,6 +150,10 @@ struct msgdma_response {
        u32 status;
 };
+#define msgdma_respoffs(a) (offsetof(struct msgdma_response, a))
+#define msgdma_csroffs(a) (offsetof(struct msgdma_csr, a))
+#define msgdma_descroffs(a) (offsetof(struct msgdma_extended_desc, a))
 /* mSGDMA response register bit definitions
 */
 #define MSGDMA_RESP_EARLY_TERM  BIT(8)
diff --git a/drivers/net/ethernet/altera/altera_sgdma.c b/drivers/net/ethernet/altera/altera_sgdma.c
index 9ce8630692b6..99cc56f451cf 100644
--- a/drivers/net/ethernet/altera/altera_sgdma.c
+++ b/drivers/net/ethernet/altera/altera_sgdma.c
@@ -20,8 +20,8 @@
 #include "altera_sgdmahw.h"
 #include "altera_sgdma.h"
-static void sgdma_setup_descrip(struct sgdma_descrip *desc,
+static void sgdma_setup_descrip(struct sgdma_descrip __iomem *desc,
-                                struct sgdma_descrip *ndesc,
+                                struct sgdma_descrip __iomem *ndesc,
                                dma_addr_t ndesc_phys,
                                dma_addr_t raddr,
                                dma_addr_t waddr,
@@ -31,17 +31,17 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
                                int wfixed);
 static int sgdma_async_write(struct altera_tse_private *priv,
-                              struct sgdma_descrip *desc);
+                              struct sgdma_descrip __iomem *desc);
 static int sgdma_async_read(struct altera_tse_private *priv);
 static dma_addr_t
 sgdma_txphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc);
+                 struct sgdma_descrip __iomem *desc);
 static dma_addr_t
 sgdma_rxphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc);
+                 struct sgdma_descrip __iomem *desc);
 static int sgdma_txbusy(struct altera_tse_private *priv);
@@ -79,7 +79,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
        priv->rxdescphys = (dma_addr_t) 0;
        priv->txdescphys = (dma_addr_t) 0;
-        priv->rxdescphys = dma_map_single(priv->device, priv->rx_dma_desc,
+        priv->rxdescphys = dma_map_single(priv->device,
+                                          (void __force *)priv->rx_dma_desc,
                                          priv->rxdescmem, DMA_BIDIRECTIONAL);
        if (dma_mapping_error(priv->device, priv->rxdescphys)) {
@@ -88,7 +89,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
                return -EINVAL;
        }
-        priv->txdescphys = dma_map_single(priv->device, priv->tx_dma_desc,
+        priv->txdescphys = dma_map_single(priv->device,
+                                          (void __force *)priv->tx_dma_desc,
                                          priv->txdescmem, DMA_TO_DEVICE);
        if (dma_mapping_error(priv->device, priv->txdescphys)) {
@@ -98,8 +100,8 @@ int sgdma_initialize(struct altera_tse_private *priv)
        }
        /* Initialize descriptor memory to all 0's, sync memory to cache */
-        memset(priv->tx_dma_desc, 0, priv->txdescmem);
+        memset_io(priv->tx_dma_desc, 0, priv->txdescmem);
-        memset(priv->rx_dma_desc, 0, priv->rxdescmem);
+        memset_io(priv->rx_dma_desc, 0, priv->rxdescmem);
        dma_sync_single_for_device(priv->device, priv->txdescphys,
                                   priv->txdescmem, DMA_TO_DEVICE);
@@ -126,22 +128,15 @@ void sgdma_uninitialize(struct altera_tse_private *priv)
 */
 void sgdma_reset(struct altera_tse_private *priv)
 {
-        u32 *ptxdescripmem = (u32 *)priv->tx_dma_desc;
-        u32 txdescriplen   = priv->txdescmem;
-        u32 *prxdescripmem = (u32 *)priv->rx_dma_desc;
-        u32 rxdescriplen   = priv->rxdescmem;
-        struct sgdma_csr *ptxsgdma = (struct sgdma_csr *)priv->tx_dma_csr;
-        struct sgdma_csr *prxsgdma = (struct sgdma_csr *)priv->rx_dma_csr;
        /* Initialize descriptor memory to 0 */
-        memset(ptxdescripmem, 0, txdescriplen);
+        memset_io(priv->tx_dma_desc, 0, priv->txdescmem);
-        memset(prxdescripmem, 0, rxdescriplen);
+        memset_io(priv->rx_dma_desc, 0, priv->rxdescmem);
-        iowrite32(SGDMA_CTRLREG_RESET, &ptxsgdma->control);
+        csrwr32(SGDMA_CTRLREG_RESET, priv->tx_dma_csr, sgdma_csroffs(control));
-        iowrite32(0, &ptxsgdma->control);
+        csrwr32(0, priv->tx_dma_csr, sgdma_csroffs(control));
-        iowrite32(SGDMA_CTRLREG_RESET, &prxsgdma->control);
+        csrwr32(SGDMA_CTRLREG_RESET, priv->rx_dma_csr, sgdma_csroffs(control));
-        iowrite32(0, &prxsgdma->control);
+        csrwr32(0, priv->rx_dma_csr, sgdma_csroffs(control));
 }
 /* For SGDMA, interrupts remain enabled after initially enabling,
@@ -167,14 +162,14 @@ void sgdma_disable_txirq(struct altera_tse_private *priv)
 void sgdma_clear_rxirq(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+        tse_set_bit(priv->rx_dma_csr, sgdma_csroffs(control),
-        tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
+                    SGDMA_CTRLREG_CLRINT);
 }
 void sgdma_clear_txirq(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
+        tse_set_bit(priv->tx_dma_csr, sgdma_csroffs(control),
-        tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
+                    SGDMA_CTRLREG_CLRINT);
 }
 /* transmits buffer through SGDMA. Returns number of buffers
@@ -184,12 +179,11 @@ void sgdma_clear_txirq(struct altera_tse_private *priv)
 */
 int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
 {
-        int pktstx = 0;
+        struct sgdma_descrip __iomem *descbase =
-        struct sgdma_descrip *descbase =
+                (struct sgdma_descrip __iomem *)priv->tx_dma_desc;
-                (struct sgdma_descrip *)priv->tx_dma_desc;
-        struct sgdma_descrip *cdesc = &descbase[0];
+        struct sgdma_descrip __iomem *cdesc = &descbase[0];
-        struct sgdma_descrip *ndesc = &descbase[1];
+        struct sgdma_descrip __iomem *ndesc = &descbase[1];
        /* wait 'til the tx sgdma is ready for the next transmit request */
        if (sgdma_txbusy(priv))
@@ -205,7 +199,7 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
                            0,                          /* read fixed */
                            SGDMA_CONTROL_WR_FIXED);    /* Generate SOP */
-        pktstx = sgdma_async_write(priv, cdesc);
+        sgdma_async_write(priv, cdesc);
        /* enqueue the request to the pending transmit queue */
        queue_tx(priv, buffer);
@@ -219,10 +213,10 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
 u32 sgdma_tx_completions(struct altera_tse_private *priv)
 {
        u32 ready = 0;
-        struct sgdma_descrip *desc = (struct sgdma_descrip *)priv->tx_dma_desc;
        if (!sgdma_txbusy(priv) &&
-            ((desc->control & SGDMA_CONTROL_HW_OWNED) == 0) &&
+            ((csrrd8(priv->tx_dma_desc, sgdma_descroffs(control))
+             & SGDMA_CONTROL_HW_OWNED) == 0) &&
            (dequeue_tx(priv))) {
                ready = 1;
        }
@@ -246,32 +240,31 @@ void sgdma_add_rx_desc(struct altera_tse_private *priv,
 */
 u32 sgdma_rx_status(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+        struct sgdma_descrip __iomem *base =
-        struct sgdma_descrip *base = (struct sgdma_descrip *)priv->rx_dma_desc;
+                (struct sgdma_descrip __iomem *)priv->rx_dma_desc;
-        struct sgdma_descrip *desc = NULL;
+        struct sgdma_descrip __iomem *desc = NULL;
-        int pktsrx;
-        unsigned int rxstatus = 0;
-        unsigned int pktlength = 0;
-        unsigned int pktstatus = 0;
        struct tse_buffer *rxbuffer = NULL;
+        unsigned int rxstatus = 0;
-        u32 sts = ioread32(&csr->status);
+        u32 sts = csrrd32(priv->rx_dma_csr, sgdma_csroffs(status));
        desc = &base[0];
        if (sts & SGDMA_STSREG_EOP) {
+                unsigned int pktlength = 0;
+                unsigned int pktstatus = 0;
                dma_sync_single_for_cpu(priv->device,
                                        priv->rxdescphys,
                                        priv->sgdmadesclen,
                                        DMA_FROM_DEVICE);
-                pktlength = desc->bytes_xferred;
+                pktlength = csrrd16(desc, sgdma_descroffs(bytes_xferred));
-                pktstatus = desc->status & 0x3f;
+                pktstatus = csrrd8(desc, sgdma_descroffs(status));
-                rxstatus = pktstatus;
+                rxstatus = pktstatus & ~SGDMA_STATUS_EOP;
                rxstatus = rxstatus << 16;
                rxstatus |= (pktlength & 0xffff);
                if (rxstatus) {
-                        desc->status = 0;
+                        csrwr8(0, desc, sgdma_descroffs(status));
                        rxbuffer = dequeue_rx(priv);
                        if (rxbuffer == NULL)
@@ -279,12 +272,12 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
                                            "sgdma rx and rx queue empty!\n");
                        /* Clear control */
-                        iowrite32(0, &csr->control);
+                        csrwr32(0, priv->rx_dma_csr, sgdma_csroffs(control));
                        /* clear status */
-                        iowrite32(0xf, &csr->status);
+                        csrwr32(0xf, priv->rx_dma_csr, sgdma_csroffs(status));
                        /* kick the rx sgdma after reaping this descriptor */
-                        pktsrx = sgdma_async_read(priv);
+                        sgdma_async_read(priv);
                } else {
                        /* If the SGDMA indicated an end of packet on recv,
@@ -298,10 +291,11 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
                         */
                        netdev_err(priv->dev,
                                   "SGDMA RX Error Info: %x, %x, %x\n",
-                                   sts, desc->status, rxstatus);
+                                   sts, csrrd8(desc, sgdma_descroffs(status)),
+                                   rxstatus);
                }
        } else if (sts == 0) {
-                pktsrx = sgdma_async_read(priv);
+                sgdma_async_read(priv);
        }
        return rxstatus;
@@ -309,8 +303,8 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
 /* Private functions */
-static void sgdma_setup_descrip(struct sgdma_descrip *desc,
+static void sgdma_setup_descrip(struct sgdma_descrip __iomem *desc,
-                                struct sgdma_descrip *ndesc,
+                                struct sgdma_descrip __iomem *ndesc,
                                dma_addr_t ndesc_phys,
                                dma_addr_t raddr,
                                dma_addr_t waddr,
@@ -320,27 +314,30 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
                                int wfixed)
 {
        /* Clear the next descriptor as not owned by hardware */
-        u32 ctrl = ndesc->control;
+        u32 ctrl = csrrd8(ndesc, sgdma_descroffs(control));
        ctrl &= ~SGDMA_CONTROL_HW_OWNED;
-        ndesc->control = ctrl;
+        csrwr8(ctrl, ndesc, sgdma_descroffs(control));
-        ctrl = 0;
        ctrl = SGDMA_CONTROL_HW_OWNED;
        ctrl |= generate_eop;
        ctrl |= rfixed;
        ctrl |= wfixed;
        /* Channel is implicitly zero, initialized to 0 by default */
+        csrwr32(lower_32_bits(raddr), desc, sgdma_descroffs(raddr));
-        desc->raddr = raddr;
+        csrwr32(lower_32_bits(waddr), desc, sgdma_descroffs(waddr));
-        desc->waddr = waddr;
-        desc->next = lower_32_bits(ndesc_phys);
+        csrwr32(0, desc, sgdma_descroffs(pad1));
-        desc->control = ctrl;
+        csrwr32(0, desc, sgdma_descroffs(pad2));
-        desc->status = 0;
+        csrwr32(lower_32_bits(ndesc_phys), desc, sgdma_descroffs(next));
-        desc->rburst = 0;
-        desc->wburst = 0;
+        csrwr8(ctrl, desc, sgdma_descroffs(control));
-        desc->bytes = length;
+        csrwr8(0, desc, sgdma_descroffs(status));
-        desc->bytes_xferred = 0;
+        csrwr8(0, desc, sgdma_descroffs(wburst));
+        csrwr8(0, desc, sgdma_descroffs(rburst));
+        csrwr16(length, desc, sgdma_descroffs(bytes));
+        csrwr16(0, desc, sgdma_descroffs(bytes_xferred));
 }
 /* If hardware is busy, don't restart async read.
@@ -351,12 +348,11 @@ static void sgdma_setup_descrip(struct sgdma_descrip *desc,
 */
 static int sgdma_async_read(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+        struct sgdma_descrip __iomem *descbase =
-        struct sgdma_descrip *descbase =
+                (struct sgdma_descrip __iomem *)priv->rx_dma_desc;
-                (struct sgdma_descrip *)priv->rx_dma_desc;
-        struct sgdma_descrip *cdesc = &descbase[0];
+        struct sgdma_descrip __iomem *cdesc = &descbase[0];
-        struct sgdma_descrip *ndesc = &descbase[1];
+        struct sgdma_descrip __iomem *ndesc = &descbase[1];
        struct tse_buffer *rxbuffer = NULL;
@@ -382,11 +378,13 @@ static int sgdma_async_read(struct altera_tse_private *priv)
                                           priv->sgdmadesclen,
                                           DMA_TO_DEVICE);
-                iowrite32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
+                csrwr32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
-                          &csr->next_descrip);
+                        priv->rx_dma_csr,
+                        sgdma_csroffs(next_descrip));
-                iowrite32((priv->rxctrlreg | SGDMA_CTRLREG_START),
+                csrwr32((priv->rxctrlreg | SGDMA_CTRLREG_START),
-                          &csr->control);
+                        priv->rx_dma_csr,
+                        sgdma_csroffs(control));
                return 1;
        }
@@ -395,32 +393,32 @@ static int sgdma_async_read(struct altera_tse_private *priv)
 }
 static int sgdma_async_write(struct altera_tse_private *priv,
-                             struct sgdma_descrip *desc)
+                             struct sgdma_descrip __iomem *desc)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
        if (sgdma_txbusy(priv))
                return 0;
        /* clear control and status */
-        iowrite32(0, &csr->control);
+        csrwr32(0, priv->tx_dma_csr, sgdma_csroffs(control));
-        iowrite32(0x1f, &csr->status);
+        csrwr32(0x1f, priv->tx_dma_csr, sgdma_csroffs(status));
        dma_sync_single_for_device(priv->device, priv->txdescphys,
                                   priv->sgdmadesclen, DMA_TO_DEVICE);
-        iowrite32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
+        csrwr32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
-                  &csr->next_descrip);
+                priv->tx_dma_csr,
+                sgdma_csroffs(next_descrip));
-        iowrite32((priv->txctrlreg | SGDMA_CTRLREG_START),
+        csrwr32((priv->txctrlreg | SGDMA_CTRLREG_START),
-                  &csr->control);
+                priv->tx_dma_csr,
+                sgdma_csroffs(control));
        return 1;
 }
 static dma_addr_t
 sgdma_txphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc)
+                 struct sgdma_descrip __iomem *desc)
 {
        dma_addr_t paddr = priv->txdescmem_busaddr;
        uintptr_t offs = (uintptr_t)desc - (uintptr_t)priv->tx_dma_desc;
@@ -429,7 +427,7 @@ sgdma_txphysaddr(struct altera_tse_private *priv,
 static dma_addr_t
 sgdma_rxphysaddr(struct altera_tse_private *priv,
-                 struct sgdma_descrip *desc)
+                 struct sgdma_descrip __iomem *desc)
 {
        dma_addr_t paddr = priv->rxdescmem_busaddr;
        uintptr_t offs = (uintptr_t)desc - (uintptr_t)priv->rx_dma_desc;
@@ -518,8 +516,8 @@ queue_rx_peekhead(struct altera_tse_private *priv)
 */
 static int sgdma_rxbusy(struct altera_tse_private *priv)
 {
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+        return csrrd32(priv->rx_dma_csr, sgdma_csroffs(status))
-        return ioread32(&csr->status) & SGDMA_STSREG_BUSY;
+                       & SGDMA_STSREG_BUSY;
 }
 /* waits for the tx sgdma to finish it's current operation, returns 0
@@ -528,13 +526,14 @@ static int sgdma_rxbusy(struct altera_tse_private *priv)
 static int sgdma_txbusy(struct altera_tse_private *priv)
 {
        int delay = 0;
-        struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
        /* if DMA is busy, wait for current transactino to finish */
-        while ((ioread32(&csr->status) & SGDMA_STSREG_BUSY) && (delay++ < 100))
+        while ((csrrd32(priv->tx_dma_csr, sgdma_csroffs(status))
+                & SGDMA_STSREG_BUSY) && (delay++ < 100))
                udelay(1);
-        if (ioread32(&csr->status) & SGDMA_STSREG_BUSY) {
+        if (csrrd32(priv->tx_dma_csr, sgdma_csroffs(status))
+            & SGDMA_STSREG_BUSY) {
                netdev_err(priv->dev, "timeout waiting for tx dma\n");
                return 1;
        }
diff --git a/drivers/net/ethernet/altera/altera_sgdmahw.h b/drivers/net/ethernet/altera/altera_sgdmahw.h
index ba3334f35383..85bc33b218d9 100644
--- a/drivers/net/ethernet/altera/altera_sgdmahw.h
+++ b/drivers/net/ethernet/altera/altera_sgdmahw.h
@@ -19,16 +19,16 @@
 /* SGDMA descriptor structure */
 struct sgdma_descrip {
-        unsigned int    raddr; /* address of data to be read */
+        u32     raddr; /* address of data to be read */
-        unsigned int    pad1;
+        u32     pad1;
-        unsigned int    waddr;
+        u32     waddr;
-        unsigned int    pad2;
+        u32     pad2;
-        unsigned int    next;
+        u32     next;
-        unsigned int    pad3;
+        u32     pad3;
-        unsigned short  bytes;
+        u16     bytes;
-        unsigned char   rburst;
+        u8      rburst;
-        unsigned char   wburst;
+        u8      wburst;
-        unsigned short  bytes_xferred;  /* 16 bits, bytes xferred */
+        u16     bytes_xferred;  /* 16 bits, bytes xferred */
        /* bit 0: error
         * bit 1: length error
@@ -39,7 +39,7 @@ struct sgdma_descrip {
         * bit 6: reserved
         * bit 7: status eop for recv case
         */
-        unsigned char   status;
+        u8      status;
        /* bit 0: eop
         * bit 1: read_fixed
@@ -47,7 +47,7 @@ struct sgdma_descrip {
         * bits 3,4,5,6: Channel (always 0)
         * bit 7: hardware owned
         */
-        unsigned char   control;
+        u8      control;
 } __packed;
@@ -101,6 +101,8 @@ struct sgdma_csr {
        u32     pad3[3];
 };
+#define sgdma_csroffs(a) (offsetof(struct sgdma_csr, a))
+#define sgdma_descroffs(a) (offsetof(struct sgdma_descrip, a))
 #define SGDMA_STSREG_ERR        BIT(0) /* Error */
 #define SGDMA_STSREG_EOP        BIT(1) /* EOP */
diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h
index 465c4aabebbd..2adb24d4523c 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h
@@ -357,6 +357,8 @@ struct altera_tse_mac {
        u32 reserved5[42];
 };
+#define tse_csroffs(a) (offsetof(struct altera_tse_mac, a))
 /* Transmit and Receive Command Registers Bit Definitions
 */
 #define ALTERA_TSE_TX_CMD_STAT_OMIT_CRC         BIT(17)
@@ -487,4 +489,49 @@ struct altera_tse_private {
 */
 void altera_tse_set_ethtool_ops(struct net_device *);
+static inline
+u32 csrrd32(void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        return readl(paddr);
+}
+static inline
+u16 csrrd16(void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        return readw(paddr);
+}
+static inline
+u8 csrrd8(void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        return readb(paddr);
+}
+static inline
+void csrwr32(u32 val, void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        writel(val, paddr);
+}
+static inline
+void csrwr16(u16 val, void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        writew(val, paddr);
+}
+static inline
+void csrwr8(u8 val, void __iomem *mac, size_t offs)
+{
+        void __iomem *paddr = (void __iomem *)((uintptr_t)mac + offs);
+        writeb(val, paddr);
+}
 #endif /* __ALTERA_TSE_H__ */
diff --git a/drivers/net/ethernet/altera/altera_tse_ethtool.c b/drivers/net/ethernet/altera/altera_tse_ethtool.c
index 76133caffa78..54c25eff7952 100644
--- a/drivers/net/ethernet/altera/altera_tse_ethtool.c
+++ b/drivers/net/ethernet/altera/altera_tse_ethtool.c
@@ -96,54 +96,89 @@ static void tse_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
                           u64 *buf)
 {
        struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
        u64 ext;
-        buf[0] = ioread32(&mac->frames_transmitted_ok);
+        buf[0] = csrrd32(priv->mac_dev,
-        buf[1] = ioread32(&mac->frames_received_ok);
+                         tse_csroffs(frames_transmitted_ok));
-        buf[2] = ioread32(&mac->frames_check_sequence_errors);
+        buf[1] = csrrd32(priv->mac_dev,
-        buf[3] = ioread32(&mac->alignment_errors);
+                         tse_csroffs(frames_received_ok));
+        buf[2] = csrrd32(priv->mac_dev,
+                         tse_csroffs(frames_check_sequence_errors));
+        buf[3] = csrrd32(priv->mac_dev,
+                         tse_csroffs(alignment_errors));
        /* Extended aOctetsTransmittedOK counter */
-        ext = (u64) ioread32(&mac->msb_octets_transmitted_ok) << 32;
+        ext = (u64) csrrd32(priv->mac_dev,
-        ext |= ioread32(&mac->octets_transmitted_ok);
+                            tse_csroffs(msb_octets_transmitted_ok)) << 32;
+        ext |= csrrd32(priv->mac_dev,
+                       tse_csroffs(octets_transmitted_ok));
        buf[4] = ext;
        /* Extended aOctetsReceivedOK counter */
-        ext = (u64) ioread32(&mac->msb_octets_received_ok) << 32;
+        ext = (u64) csrrd32(priv->mac_dev,
-        ext |= ioread32(&mac->octets_received_ok);
+                            tse_csroffs(msb_octets_received_ok)) << 32;
+        ext |= csrrd32(priv->mac_dev,
+                       tse_csroffs(octets_received_ok));
        buf[5] = ext;
-        buf[6] = ioread32(&mac->tx_pause_mac_ctrl_frames);
+        buf[6] = csrrd32(priv->mac_dev,
-        buf[7] = ioread32(&mac->rx_pause_mac_ctrl_frames);
+                         tse_csroffs(tx_pause_mac_ctrl_frames));
-        buf[8] = ioread32(&mac->if_in_errors);
+        buf[7] = csrrd32(priv->mac_dev,
-        buf[9] = ioread32(&mac->if_out_errors);
+                         tse_csroffs(rx_pause_mac_ctrl_frames));
-        buf[10] = ioread32(&mac->if_in_ucast_pkts);
+        buf[8] = csrrd32(priv->mac_dev,
-        buf[11] = ioread32(&mac->if_in_multicast_pkts);
+                         tse_csroffs(if_in_errors));
-        buf[12] = ioread32(&mac->if_in_broadcast_pkts);
+        buf[9] = csrrd32(priv->mac_dev,
-        buf[13] = ioread32(&mac->if_out_discards);
+                         tse_csroffs(if_out_errors));
-        buf[14] = ioread32(&mac->if_out_ucast_pkts);
+        buf[10] = csrrd32(priv->mac_dev,
-        buf[15] = ioread32(&mac->if_out_multicast_pkts);
+                          tse_csroffs(if_in_ucast_pkts));
-        buf[16] = ioread32(&mac->if_out_broadcast_pkts);
+        buf[11] = csrrd32(priv->mac_dev,
-        buf[17] = ioread32(&mac->ether_stats_drop_events);
+                          tse_csroffs(if_in_multicast_pkts));
+        buf[12] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_in_broadcast_pkts));
+        buf[13] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_discards));
+        buf[14] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_ucast_pkts));
+        buf[15] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_multicast_pkts));
+        buf[16] = csrrd32(priv->mac_dev,
+                          tse_csroffs(if_out_broadcast_pkts));
+        buf[17] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_drop_events));
        /* Extended etherStatsOctets counter */
-        ext = (u64) ioread32(&mac->msb_ether_stats_octets) << 32;
+        ext = (u64) csrrd32(priv->mac_dev,
-        ext |= ioread32(&mac->ether_stats_octets);
+                            tse_csroffs(msb_ether_stats_octets)) << 32;
+        ext |= csrrd32(priv->mac_dev,
+                       tse_csroffs(ether_stats_octets));
        buf[18] = ext;
-        buf[19] = ioread32(&mac->ether_stats_pkts);
+        buf[19] = csrrd32(priv->mac_dev,
-        buf[20] = ioread32(&mac->ether_stats_undersize_pkts);
+                          tse_csroffs(ether_stats_pkts));
-        buf[21] = ioread32(&mac->ether_stats_oversize_pkts);
+        buf[20] = csrrd32(priv->mac_dev,
-        buf[22] = ioread32(&mac->ether_stats_pkts_64_octets);
+                          tse_csroffs(ether_stats_undersize_pkts));
-        buf[23] = ioread32(&mac->ether_stats_pkts_65to127_octets);
+        buf[21] = csrrd32(priv->mac_dev,
-        buf[24] = ioread32(&mac->ether_stats_pkts_128to255_octets);
+                          tse_csroffs(ether_stats_oversize_pkts));
-        buf[25] = ioread32(&mac->ether_stats_pkts_256to511_octets);
+        buf[22] = csrrd32(priv->mac_dev,
-        buf[26] = ioread32(&mac->ether_stats_pkts_512to1023_octets);
+                          tse_csroffs(ether_stats_pkts_64_octets));
-        buf[27] = ioread32(&mac->ether_stats_pkts_1024to1518_octets);
+        buf[23] = csrrd32(priv->mac_dev,
-        buf[28] = ioread32(&mac->ether_stats_pkts_1519tox_octets);
+                          tse_csroffs(ether_stats_pkts_65to127_octets));
-        buf[29] = ioread32(&mac->ether_stats_jabbers);
+        buf[24] = csrrd32(priv->mac_dev,
-        buf[30] = ioread32(&mac->ether_stats_fragments);
+                          tse_csroffs(ether_stats_pkts_128to255_octets));
+        buf[25] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_256to511_octets));
+        buf[26] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_512to1023_octets));
+        buf[27] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_1024to1518_octets));
+        buf[28] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_pkts_1519tox_octets));
+        buf[29] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_jabbers));
+        buf[30] = csrrd32(priv->mac_dev,
+                          tse_csroffs(ether_stats_fragments));
 }
 static int tse_sset_count(struct net_device *dev, int sset)
@@ -178,7 +213,6 @@ static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
 {
        int i;
        struct altera_tse_private *priv = netdev_priv(dev);
-        u32 *tse_mac_regs = (u32 *)priv->mac_dev;
        u32 *buf = regbuf;
        /* Set version to a known value, so ethtool knows
@@ -196,7 +230,7 @@ static void tse_get_regs(struct net_device *dev, struct ethtool_regs *regs,
        regs->version = 1;
        for (i = 0; i < TSE_NUM_REGS; i++)
-                buf[i] = ioread32(&tse_mac_regs[i]);
+                buf[i] = csrrd32(priv->mac_dev, i * 4);
 }
 static int tse_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
index e44a4aeb9701..7330681574d2 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c
@@ -100,29 +100,30 @@ static inline u32 tse_tx_avail(struct altera_tse_private *priv)
 */
 static int altera_tse_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 {
-        struct altera_tse_mac *mac = (struct altera_tse_mac *)bus->priv;
+        struct net_device *ndev = bus->priv;
-        unsigned int *mdio_regs = (unsigned int *)&mac->mdio_phy0;
+        struct altera_tse_private *priv = netdev_priv(ndev);
-        u32 data;
        /* set MDIO address */
-        iowrite32((mii_id & 0x1f), &mac->mdio_phy0_addr);
+        csrwr32((mii_id & 0x1f), priv->mac_dev,
+                tse_csroffs(mdio_phy0_addr));
        /* get the data */
-        data = ioread32(&mdio_regs[regnum]) & 0xffff;
+        return csrrd32(priv->mac_dev,
-        return data;
+                       tse_csroffs(mdio_phy0) + regnum * 4) & 0xffff;
 }
 static int altera_tse_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
                                 u16 value)
 {
-        struct altera_tse_mac *mac = (struct altera_tse_mac *)bus->priv;
+        struct net_device *ndev = bus->priv;
-        unsigned int *mdio_regs = (unsigned int *)&mac->mdio_phy0;
+        struct altera_tse_private *priv = netdev_priv(ndev);
        /* set MDIO address */
-        iowrite32((mii_id & 0x1f), &mac->mdio_phy0_addr);
+        csrwr32((mii_id & 0x1f), priv->mac_dev,
+                tse_csroffs(mdio_phy0_addr));
        /* write the data */
-        iowrite32((u32) value, &mdio_regs[regnum]);
+        csrwr32(value, priv->mac_dev, tse_csroffs(mdio_phy0) + regnum * 4);
        return 0;
 }
@@ -168,7 +169,7 @@ static int altera_tse_mdio_create(struct net_device *dev, unsigned int id)
        for (i = 0; i < PHY_MAX_ADDR; i++)
                mdio->irq[i] = PHY_POLL;
-        mdio->priv = priv->mac_dev;
+        mdio->priv = dev;
        mdio->parent = priv->device;
        ret = of_mdiobus_register(mdio, mdio_node);
@@ -563,7 +564,6 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
        unsigned int nopaged_len = skb_headlen(skb);
        enum netdev_tx ret = NETDEV_TX_OK;
        dma_addr_t dma_addr;
-        int txcomplete = 0;
        spin_lock_bh(&priv->tx_lock);
@@ -599,7 +599,7 @@ static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
        dma_sync_single_for_device(priv->device, buffer->dma_addr,
                                   buffer->len, DMA_TO_DEVICE);
-        txcomplete = priv->dmaops->tx_buffer(priv, buffer);
+        priv->dmaops->tx_buffer(priv, buffer);
        skb_tx_timestamp(skb);
@@ -698,7 +698,6 @@ static struct phy_device *connect_local_phy(struct net_device *dev)
        struct altera_tse_private *priv = netdev_priv(dev);
        struct phy_device *phydev = NULL;
        char phy_id_fmt[MII_BUS_ID_SIZE + 3];
-        int ret;
        if (priv->phy_addr != POLL_PHY) {
                snprintf(phy_id_fmt, MII_BUS_ID_SIZE + 3, PHY_ID_FMT,
@@ -712,6 +711,7 @@ static struct phy_device *connect_local_phy(struct net_device *dev)
                        netdev_err(dev, "Could not attach to PHY\n");
        } else {
+                int ret;
                phydev = phy_find_first(priv->mdio);
                if (phydev == NULL) {
                        netdev_err(dev, "No PHY found\n");
@@ -791,7 +791,6 @@ static int init_phy(struct net_device *dev)
 static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
 {
-        struct altera_tse_mac *mac = priv->mac_dev;
        u32 msb;
        u32 lsb;
@@ -799,8 +798,8 @@ static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
        lsb = ((addr[5] << 8) | addr[4]) & 0xffff;
        /* Set primary MAC address */
-        iowrite32(msb, &mac->mac_addr_0);
+        csrwr32(msb, priv->mac_dev, tse_csroffs(mac_addr_0));
-        iowrite32(lsb, &mac->mac_addr_1);
+        csrwr32(lsb, priv->mac_dev, tse_csroffs(mac_addr_1));
 }
 /* MAC software reset.
@@ -811,26 +810,26 @@ static void tse_update_mac_addr(struct altera_tse_private *priv, u8 *addr)
 */
 static int reset_mac(struct altera_tse_private *priv)
 {
-        void __iomem *cmd_cfg_reg = &priv->mac_dev->command_config;
        int counter;
        u32 dat;
-        dat = ioread32(cmd_cfg_reg);
+        dat = csrrd32(priv->mac_dev, tse_csroffs(command_config));
        dat &= ~(MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA);
        dat |= MAC_CMDCFG_SW_RESET | MAC_CMDCFG_CNT_RESET;
-        iowrite32(dat, cmd_cfg_reg);
+        csrwr32(dat, priv->mac_dev, tse_csroffs(command_config));
        counter = 0;
        while (counter++ < ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                if (tse_bit_is_clear(cmd_cfg_reg, MAC_CMDCFG_SW_RESET))
+                if (tse_bit_is_clear(priv->mac_dev, tse_csroffs(command_config),
+                                     MAC_CMDCFG_SW_RESET))
                        break;
                udelay(1);
        }
        if (counter >= ALTERA_TSE_SW_RESET_WATCHDOG_CNTR) {
-                dat = ioread32(cmd_cfg_reg);
+                dat = csrrd32(priv->mac_dev, tse_csroffs(command_config));
                dat &= ~MAC_CMDCFG_SW_RESET;
-                iowrite32(dat, cmd_cfg_reg);
+                csrwr32(dat, priv->mac_dev, tse_csroffs(command_config));
                return -1;
        }
        return 0;
@@ -840,41 +839,57 @@ static int reset_mac(struct altera_tse_private *priv)
 */
 static int init_mac(struct altera_tse_private *priv)
 {
-        struct altera_tse_mac *mac = priv->mac_dev;
        unsigned int cmd = 0;
        u32 frm_length;
        /* Setup Rx FIFO */
-        iowrite32(priv->rx_fifo_depth - ALTERA_TSE_RX_SECTION_EMPTY,
+        csrwr32(priv->rx_fifo_depth - ALTERA_TSE_RX_SECTION_EMPTY,
-                  &mac->rx_section_empty);
+                priv->mac_dev, tse_csroffs(rx_section_empty));
-        iowrite32(ALTERA_TSE_RX_SECTION_FULL, &mac->rx_section_full);
-        iowrite32(ALTERA_TSE_RX_ALMOST_EMPTY, &mac->rx_almost_empty);
+        csrwr32(ALTERA_TSE_RX_SECTION_FULL, priv->mac_dev,
-        iowrite32(ALTERA_TSE_RX_ALMOST_FULL, &mac->rx_almost_full);
+                tse_csroffs(rx_section_full));
+        csrwr32(ALTERA_TSE_RX_ALMOST_EMPTY, priv->mac_dev,
+                tse_csroffs(rx_almost_empty));
+        csrwr32(ALTERA_TSE_RX_ALMOST_FULL, priv->mac_dev,
+                tse_csroffs(rx_almost_full));
        /* Setup Tx FIFO */
-        iowrite32(priv->tx_fifo_depth - ALTERA_TSE_TX_SECTION_EMPTY,
+        csrwr32(priv->tx_fifo_depth - ALTERA_TSE_TX_SECTION_EMPTY,
-                  &mac->tx_section_empty);
+                priv->mac_dev, tse_csroffs(tx_section_empty));
-        iowrite32(ALTERA_TSE_TX_SECTION_FULL, &mac->tx_section_full);
-        iowrite32(ALTERA_TSE_TX_ALMOST_EMPTY, &mac->tx_almost_empty);
+        csrwr32(ALTERA_TSE_TX_SECTION_FULL, priv->mac_dev,
-        iowrite32(ALTERA_TSE_TX_ALMOST_FULL, &mac->tx_almost_full);
+                tse_csroffs(tx_section_full));
+        csrwr32(ALTERA_TSE_TX_ALMOST_EMPTY, priv->mac_dev,
+                tse_csroffs(tx_almost_empty));
+        csrwr32(ALTERA_TSE_TX_ALMOST_FULL, priv->mac_dev,
+                tse_csroffs(tx_almost_full));
        /* MAC Address Configuration */
        tse_update_mac_addr(priv, priv->dev->dev_addr);
        /* MAC Function Configuration */
        frm_length = ETH_HLEN + priv->dev->mtu + ETH_FCS_LEN;
-        iowrite32(frm_length, &mac->frm_length);
+        csrwr32(frm_length, priv->mac_dev, tse_csroffs(frm_length));
-        iowrite32(ALTERA_TSE_TX_IPG_LENGTH, &mac->tx_ipg_length);
+        csrwr32(ALTERA_TSE_TX_IPG_LENGTH, priv->mac_dev,
+                tse_csroffs(tx_ipg_length));
        /* Disable RX/TX shift 16 for alignment of all received frames on 16-bit
         * start address
         */
-        tse_set_bit(&mac->rx_cmd_stat, ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16);
+        tse_set_bit(priv->mac_dev, tse_csroffs(rx_cmd_stat),
-        tse_clear_bit(&mac->tx_cmd_stat, ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 |
+                    ALTERA_TSE_RX_CMD_STAT_RX_SHIFT16);
-                                         ALTERA_TSE_TX_CMD_STAT_OMIT_CRC);
+        tse_clear_bit(priv->mac_dev, tse_csroffs(tx_cmd_stat),
+                      ALTERA_TSE_TX_CMD_STAT_TX_SHIFT16 |
+                      ALTERA_TSE_TX_CMD_STAT_OMIT_CRC);
        /* Set the MAC options */
-        cmd = ioread32(&mac->command_config);
+        cmd = csrrd32(priv->mac_dev, tse_csroffs(command_config));
        cmd &= ~MAC_CMDCFG_PAD_EN;      /* No padding Removal on Receive */
        cmd &= ~MAC_CMDCFG_CRC_FWD;     /* CRC Removal */
        cmd |= MAC_CMDCFG_RX_ERR_DISC;  /* Automatically discard frames
@@ -889,9 +904,10 @@ static int init_mac(struct altera_tse_private *priv)
        cmd &= ~MAC_CMDCFG_ETH_SPEED;
        cmd &= ~MAC_CMDCFG_ENA_10;
-        iowrite32(cmd, &mac->command_config);
+        csrwr32(cmd, priv->mac_dev, tse_csroffs(command_config));
-        iowrite32(ALTERA_TSE_PAUSE_QUANTA, &mac->pause_quanta);
+        csrwr32(ALTERA_TSE_PAUSE_QUANTA, priv->mac_dev,
+                tse_csroffs(pause_quanta));
        if (netif_msg_hw(priv))
                dev_dbg(priv->device,
@@ -904,15 +920,14 @@ static int init_mac(struct altera_tse_private *priv)
 */
 static void tse_set_mac(struct altera_tse_private *priv, bool enable)
 {
-        struct altera_tse_mac *mac = priv->mac_dev;
+        u32 value = csrrd32(priv->mac_dev, tse_csroffs(command_config));
-        u32 value = ioread32(&mac->command_config);
        if (enable)
                value |= MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA;
        else
                value &= ~(MAC_CMDCFG_TX_ENA | MAC_CMDCFG_RX_ENA);
-        iowrite32(value, &mac->command_config);
+        csrwr32(value, priv->mac_dev, tse_csroffs(command_config));
 }
 /* Change the MTU
@@ -942,13 +957,12 @@ static int tse_change_mtu(struct net_device *dev, int new_mtu)
 static void altera_tse_set_mcfilter(struct net_device *dev)
 {
        struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
        int i;
        struct netdev_hw_addr *ha;
        /* clear the hash filter */
        for (i = 0; i < 64; i++)
-                iowrite32(0, &(mac->hash_table[i]));
+                csrwr32(0, priv->mac_dev, tse_csroffs(hash_table) + i * 4);
        netdev_for_each_mc_addr(ha, dev) {
                unsigned int hash = 0;
@@ -964,7 +978,7 @@ static void altera_tse_set_mcfilter(struct net_device *dev)
                        hash = (hash << 1) | xor_bit;
                }
-                iowrite32(1, &(mac->hash_table[hash]));
+                csrwr32(1, priv->mac_dev, tse_csroffs(hash_table) + hash * 4);
        }
 }
@@ -972,12 +986,11 @@ static void altera_tse_set_mcfilter(struct net_device *dev)
 static void altera_tse_set_mcfilterall(struct net_device *dev)
 {
        struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
        int i;
        /* set the hash filter */
        for (i = 0; i < 64; i++)
-                iowrite32(1, &(mac->hash_table[i]));
+                csrwr32(1, priv->mac_dev, tse_csroffs(hash_table) + i * 4);
 }
 /* Set or clear the multicast filter for this adaptor
@@ -985,12 +998,12 @@ static void altera_tse_set_mcfilterall(struct net_device *dev)
 static void tse_set_rx_mode_hashfilter(struct net_device *dev)
 {
        struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
        spin_lock(&priv->mac_cfg_lock);
        if (dev->flags & IFF_PROMISC)
-                tse_set_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
+                tse_set_bit(priv->mac_dev, tse_csroffs(command_config),
+                            MAC_CMDCFG_PROMIS_EN);
        if (dev->flags & IFF_ALLMULTI)
                altera_tse_set_mcfilterall(dev);
@@ -1005,15 +1018,16 @@ static void tse_set_rx_mode_hashfilter(struct net_device *dev)
 static void tse_set_rx_mode(struct net_device *dev)
 {
        struct altera_tse_private *priv = netdev_priv(dev);
-        struct altera_tse_mac *mac = priv->mac_dev;
        spin_lock(&priv->mac_cfg_lock);
        if ((dev->flags & IFF_PROMISC) || (dev->flags & IFF_ALLMULTI) ||
            !netdev_mc_empty(dev) || !netdev_uc_empty(dev))
-                tse_set_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
+                tse_set_bit(priv->mac_dev, tse_csroffs(command_config),
+                            MAC_CMDCFG_PROMIS_EN);
        else
-                tse_clear_bit(&mac->command_config, MAC_CMDCFG_PROMIS_EN);
+                tse_clear_bit(priv->mac_dev, tse_csroffs(command_config),
+                              MAC_CMDCFG_PROMIS_EN);
        spin_unlock(&priv->mac_cfg_lock);
 }
@@ -1362,6 +1376,11 @@ static int altera_tse_probe(struct platform_device *pdev)
                of_property_read_bool(pdev->dev.of_node,
                                      "altr,has-hash-multicast-filter");
+        /* Set hash filter to not set for now until the
+         * multicast filter receive issue is debugged
+         */
+        priv->hash_filter = 0;
        /* get supplemental address settings for this instance */
        priv->added_unicast =
                of_property_read_bool(pdev->dev.of_node,
@@ -1493,7 +1512,7 @@ static int altera_tse_remove(struct platform_device *pdev)
        return 0;
 }
-struct altera_dmaops altera_dtype_sgdma = {
+static const struct altera_dmaops altera_dtype_sgdma = {
        .altera_dtype = ALTERA_DTYPE_SGDMA,
        .dmamask = 32,
        .reset_dma = sgdma_reset,
@@ -1512,7 +1531,7 @@ struct altera_dmaops altera_dtype_sgdma = {
        .start_rxdma = sgdma_start_rxdma,
 };
-struct altera_dmaops altera_dtype_msgdma = {
+static const struct altera_dmaops altera_dtype_msgdma = {
        .altera_dtype = ALTERA_DTYPE_MSGDMA,
        .dmamask = 64,
        .reset_dma = msgdma_reset,
diff --git a/drivers/net/ethernet/altera/altera_utils.c b/drivers/net/ethernet/altera/altera_utils.c
index 70fa13f486b2..d7eeb1713ad2 100644
--- a/drivers/net/ethernet/altera/altera_utils.c
+++ b/drivers/net/ethernet/altera/altera_utils.c
@@ -17,28 +17,28 @@
 #include "altera_tse.h"
 #include "altera_utils.h"
-void tse_set_bit(void __iomem *ioaddr, u32 bit_mask)
+void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
        value |= bit_mask;
-        iowrite32(value, ioaddr);
+        csrwr32(value, ioaddr, offs);
 }
-void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask)
+void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
        value &= ~bit_mask;
-        iowrite32(value, ioaddr);
+        csrwr32(value, ioaddr, offs);
 }
-int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask)
+int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
        return (value & bit_mask) ? 1 : 0;
 }
-int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask)
+int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask)
 {
-        u32 value = ioread32(ioaddr);
+        u32 value = csrrd32(ioaddr, offs);
        return (value & bit_mask) ? 0 : 1;
 }
diff --git a/drivers/net/ethernet/altera/altera_utils.h b/drivers/net/ethernet/altera/altera_utils.h
index ce1db36d3583..baf100ccf587 100644
--- a/drivers/net/ethernet/altera/altera_utils.h
+++ b/drivers/net/ethernet/altera/altera_utils.h
@@ -19,9 +19,9 @@
 #ifndef __ALTERA_UTILS_H__
 #define __ALTERA_UTILS_H__
-void tse_set_bit(void __iomem *ioaddr, u32 bit_mask);
+void tse_set_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
-void tse_clear_bit(void __iomem *ioaddr, u32 bit_mask);
+void tse_clear_bit(void __iomem *ioaddr, size_t offs, u32 bit_mask);
-int tse_bit_is_set(void __iomem *ioaddr, u32 bit_mask);
+int tse_bit_is_set(void __iomem *ioaddr, size_t offs, u32 bit_mask);
-int tse_bit_is_clear(void __iomem *ioaddr, u32 bit_mask);
+int tse_bit_is_clear(void __iomem *ioaddr, size_t offs, u32 bit_mask);
 #endif /* __ALTERA_UTILS_H__*/
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index b260913db236..3b0d43154e67 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -10051,8 +10051,8 @@ static void bnx2x_prev_unload_close_mac(struct bnx2x *bp,
 #define BCM_5710_UNDI_FW_MF_MAJOR       (0x07)
 #define BCM_5710_UNDI_FW_MF_MINOR       (0x08)
 #define BCM_5710_UNDI_FW_MF_VERS        (0x05)
-#define BNX2X_PREV_UNDI_MF_PORT(p)      (0x1a150c + ((p) << 4))
+#define BNX2X_PREV_UNDI_MF_PORT(p) (BAR_TSTRORM_INTMEM + 0x150c + ((p) << 4))
-#define BNX2X_PREV_UNDI_MF_FUNC(f)      (0x1a184c + ((f) << 4))
+#define BNX2X_PREV_UNDI_MF_FUNC(f) (BAR_TSTRORM_INTMEM + 0x184c + ((f) << 4))
 static bool bnx2x_prev_unload_undi_fw_supports_mf(struct bnx2x *bp)
 {
        u8 major, minor, version;
@@ -10352,6 +10352,7 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
        /* Reset should be performed after BRB is emptied */
        if (reset_reg & MISC_REGISTERS_RESET_REG_1_RST_BRB1) {
                u32 timer_count = 1000;
+                bool need_write = true;
                /* Close the MAC Rx to prevent BRB from filling up */
                bnx2x_prev_unload_close_mac(bp, &mac_vals);
@@ -10398,7 +10399,10 @@ static int bnx2x_prev_unload_common(struct bnx2x *bp)
                         * cleaning methods - might be redundant but harmless.
                         */
                        if (bnx2x_prev_unload_undi_fw_supports_mf(bp)) {
-                                bnx2x_prev_unload_undi_mf(bp);
+                                if (need_write) {
+                                        bnx2x_prev_unload_undi_mf(bp);
+                                        need_write = false;
+                                }
                        } else if (prev_undi) {
                                /* If UNDI resides in memory,
                                 * manually increment it
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 81cc2d9831c2..b8078d50261b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -2695,7 +2695,7 @@ out:
                bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC);
        }
-        return 0;
+        return rc;
 }
 int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index 0c067e8564dd..784c7155b98a 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -747,7 +747,7 @@ int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
 out:
        bnx2x_vfpf_finalize(bp, &req->first_tlv);
-        return 0;
+        return rc;
 }
 /* request pf to config rss table for vf queues*/
diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c
new file mode 100644
index 000000000000..4884205e56ee
--- /dev/null
+++ b/drivers/net/ethernet/ec_bhf.c
@@ -0,0 +1,706 @@
+ /*
+ * drivers/net/ethernet/beckhoff/ec_bhf.c
+ *
+ * Copyright (C) 2014 Darek Marcinkiewicz <reksio@newterm.pl>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+/* This is a driver for EtherCAT master module present on CCAT FPGA.
+ * Those can be found on Bechhoff CX50xx industrial PCs.
+ */
+#if 0
+#define DEBUG
+#endif
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/hrtimer.h>
+#include <linux/interrupt.h>
+#include <linux/stat.h>
+#define TIMER_INTERVAL_NSEC     20000
+#define INFO_BLOCK_SIZE         0x10
+#define INFO_BLOCK_TYPE         0x0
+#define INFO_BLOCK_REV          0x2
+#define INFO_BLOCK_BLK_CNT      0x4
+#define INFO_BLOCK_TX_CHAN      0x4
+#define INFO_BLOCK_RX_CHAN      0x5
+#define INFO_BLOCK_OFFSET       0x8
+#define EC_MII_OFFSET           0x4
+#define EC_FIFO_OFFSET          0x8
+#define EC_MAC_OFFSET           0xc
+#define MAC_FRAME_ERR_CNT       0x0
+#define MAC_RX_ERR_CNT          0x1
+#define MAC_CRC_ERR_CNT         0x2
+#define MAC_LNK_LST_ERR_CNT     0x3
+#define MAC_TX_FRAME_CNT        0x10
+#define MAC_RX_FRAME_CNT        0x14
+#define MAC_TX_FIFO_LVL         0x20
+#define MAC_DROPPED_FRMS        0x28
+#define MAC_CONNECTED_CCAT_FLAG 0x78
+#define MII_MAC_ADDR            0x8
+#define MII_MAC_FILT_FLAG       0xe
+#define MII_LINK_STATUS         0xf
+#define FIFO_TX_REG             0x0
+#define FIFO_TX_RESET           0x8
+#define FIFO_RX_REG             0x10
+#define FIFO_RX_ADDR_VALID      (1u << 31)
+#define FIFO_RX_RESET           0x18
+#define DMA_CHAN_OFFSET         0x1000
+#define DMA_CHAN_SIZE           0x8
+#define DMA_WINDOW_SIZE_MASK    0xfffffffc
+static struct pci_device_id ids[] = {
+        { PCI_DEVICE(0x15ec, 0x5000), },
+        { 0, }
+};
+MODULE_DEVICE_TABLE(pci, ids);
+struct rx_header {
+#define RXHDR_NEXT_ADDR_MASK    0xffffffu
+#define RXHDR_NEXT_VALID        (1u << 31)
+        __le32 next;
+#define RXHDR_NEXT_RECV_FLAG    0x1
+        __le32 recv;
+#define RXHDR_LEN_MASK          0xfffu
+        __le16 len;
+        __le16 port;
+        __le32 reserved;
+        u8 timestamp[8];
+} __packed;
+#define PKT_PAYLOAD_SIZE        0x7e8
+struct rx_desc {
+        struct rx_header header;
+        u8 data[PKT_PAYLOAD_SIZE];
+} __packed;
+struct tx_header {
+        __le16 len;
+#define TX_HDR_PORT_0           0x1
+#define TX_HDR_PORT_1           0x2
+        u8 port;
+        u8 ts_enable;
+#define TX_HDR_SENT             0x1
+        __le32 sent;
+        u8 timestamp[8];
+} __packed;
+struct tx_desc {
+        struct tx_header header;
+        u8 data[PKT_PAYLOAD_SIZE];
+} __packed;
+#define FIFO_SIZE               64
+static long polling_frequency = TIMER_INTERVAL_NSEC;
+struct bhf_dma {
+        u8 *buf;
+        size_t len;
+        dma_addr_t buf_phys;
+        u8 *alloc;
+        size_t alloc_len;
+        dma_addr_t alloc_phys;
+};
+struct ec_bhf_priv {
+        struct net_device *net_dev;
+        struct pci_dev *dev;
+        void * __iomem io;
+        void * __iomem dma_io;
+        struct hrtimer hrtimer;
+        int tx_dma_chan;
+        int rx_dma_chan;
+        void * __iomem ec_io;
+        void * __iomem fifo_io;
+        void * __iomem mii_io;
+        void * __iomem mac_io;
+        struct bhf_dma rx_buf;
+        struct rx_desc *rx_descs;
+        int rx_dnext;
+        int rx_dcount;
+        struct bhf_dma tx_buf;
+        struct tx_desc *tx_descs;
+        int tx_dcount;
+        int tx_dnext;
+        u64 stat_rx_bytes;
+        u64 stat_tx_bytes;
+};
+#define PRIV_TO_DEV(priv) (&(priv)->dev->dev)
+#define ETHERCAT_MASTER_ID      0x14
+static void ec_bhf_print_status(struct ec_bhf_priv *priv)
+{
+        struct device *dev = PRIV_TO_DEV(priv);
+        dev_dbg(dev, "Frame error counter: %d\n",
+                ioread8(priv->mac_io + MAC_FRAME_ERR_CNT));
+        dev_dbg(dev, "RX error counter: %d\n",
+                ioread8(priv->mac_io + MAC_RX_ERR_CNT));
+        dev_dbg(dev, "CRC error counter: %d\n",
+                ioread8(priv->mac_io + MAC_CRC_ERR_CNT));
+        dev_dbg(dev, "TX frame counter: %d\n",
+                ioread32(priv->mac_io + MAC_TX_FRAME_CNT));
+        dev_dbg(dev, "RX frame counter: %d\n",
+                ioread32(priv->mac_io + MAC_RX_FRAME_CNT));
+        dev_dbg(dev, "TX fifo level: %d\n",
+                ioread8(priv->mac_io + MAC_TX_FIFO_LVL));
+        dev_dbg(dev, "Dropped frames: %d\n",
+                ioread8(priv->mac_io + MAC_DROPPED_FRMS));
+        dev_dbg(dev, "Connected with CCAT slot: %d\n",
+                ioread8(priv->mac_io + MAC_CONNECTED_CCAT_FLAG));
+        dev_dbg(dev, "Link status: %d\n",
+                ioread8(priv->mii_io + MII_LINK_STATUS));
+}
+static void ec_bhf_reset(struct ec_bhf_priv *priv)
+{
+        iowrite8(0, priv->mac_io + MAC_FRAME_ERR_CNT);
+        iowrite8(0, priv->mac_io + MAC_RX_ERR_CNT);
+        iowrite8(0, priv->mac_io + MAC_CRC_ERR_CNT);
+        iowrite8(0, priv->mac_io + MAC_LNK_LST_ERR_CNT);
+        iowrite32(0, priv->mac_io + MAC_TX_FRAME_CNT);
+        iowrite32(0, priv->mac_io + MAC_RX_FRAME_CNT);
+        iowrite8(0, priv->mac_io + MAC_DROPPED_FRMS);
+        iowrite8(0, priv->fifo_io + FIFO_TX_RESET);
+        iowrite8(0, priv->fifo_io + FIFO_RX_RESET);
+        iowrite8(0, priv->mac_io + MAC_TX_FIFO_LVL);
+}
+static void ec_bhf_send_packet(struct ec_bhf_priv *priv, struct tx_desc *desc)
+{
+        u32 len = le16_to_cpu(desc->header.len) + sizeof(desc->header);
+        u32 addr = (u8 *)desc - priv->tx_buf.buf;
+        iowrite32((ALIGN(len, 8) << 24) | addr, priv->fifo_io + FIFO_TX_REG);
+        dev_dbg(PRIV_TO_DEV(priv), "Done sending packet\n");
+}
+static int ec_bhf_desc_sent(struct tx_desc *desc)
+{
+        return le32_to_cpu(desc->header.sent) & TX_HDR_SENT;
+}
+static void ec_bhf_process_tx(struct ec_bhf_priv *priv)
+{
+        if (unlikely(netif_queue_stopped(priv->net_dev))) {
+                /* Make sure that we perceive changes to tx_dnext. */
+                smp_rmb();
+                if (ec_bhf_desc_sent(&priv->tx_descs[priv->tx_dnext]))
+                        netif_wake_queue(priv->net_dev);
+        }
+}
+static int ec_bhf_pkt_received(struct rx_desc *desc)
+{
+        return le32_to_cpu(desc->header.recv) & RXHDR_NEXT_RECV_FLAG;
+}
+static void ec_bhf_add_rx_desc(struct ec_bhf_priv *priv, struct rx_desc *desc)
+{
+        iowrite32(FIFO_RX_ADDR_VALID | ((u8 *)(desc) - priv->rx_buf.buf),
+                  priv->fifo_io + FIFO_RX_REG);
+}
+static void ec_bhf_process_rx(struct ec_bhf_priv *priv)
+{
+        struct rx_desc *desc = &priv->rx_descs[priv->rx_dnext];
+        struct device *dev = PRIV_TO_DEV(priv);
+        while (ec_bhf_pkt_received(desc)) {
+                int pkt_size = (le16_to_cpu(desc->header.len) &
+                               RXHDR_LEN_MASK) - sizeof(struct rx_header) - 4;
+                u8 *data = desc->data;
+                struct sk_buff *skb;
+                skb = netdev_alloc_skb_ip_align(priv->net_dev, pkt_size);
+                dev_dbg(dev, "Received packet, size: %d\n", pkt_size);
+                if (skb) {
+                        memcpy(skb_put(skb, pkt_size), data, pkt_size);
+                        skb->protocol = eth_type_trans(skb, priv->net_dev);
+                        dev_dbg(dev, "Protocol type: %x\n", skb->protocol);
+                        priv->stat_rx_bytes += pkt_size;
+                        netif_rx(skb);
+                } else {
+                        dev_err_ratelimited(dev,
+                                "Couldn't allocate a skb_buff for a packet of size %u\n",
+                                pkt_size);
+                }
+                desc->header.recv = 0;
+                ec_bhf_add_rx_desc(priv, desc);
+                priv->rx_dnext = (priv->rx_dnext + 1) % priv->rx_dcount;
+                desc = &priv->rx_descs[priv->rx_dnext];
+        }
+}
+static enum hrtimer_restart ec_bhf_timer_fun(struct hrtimer *timer)
+{
+        struct ec_bhf_priv *priv = container_of(timer, struct ec_bhf_priv,
+                                                hrtimer);
+        ec_bhf_process_rx(priv);
+        ec_bhf_process_tx(priv);
+        if (!netif_running(priv->net_dev))
+                return HRTIMER_NORESTART;
+        hrtimer_forward_now(timer, ktime_set(0, polling_frequency));
+        return HRTIMER_RESTART;
+}
+static int ec_bhf_setup_offsets(struct ec_bhf_priv *priv)
+{
+        struct device *dev = PRIV_TO_DEV(priv);
+        unsigned block_count, i;
+        void * __iomem ec_info;
+        dev_dbg(dev, "Info block:\n");
+        dev_dbg(dev, "Type of function: %x\n", (unsigned)ioread16(priv->io));
+        dev_dbg(dev, "Revision of function: %x\n",
+                (unsigned)ioread16(priv->io + INFO_BLOCK_REV));
+        block_count = ioread8(priv->io + INFO_BLOCK_BLK_CNT);
+        dev_dbg(dev, "Number of function blocks: %x\n", block_count);
+        for (i = 0; i < block_count; i++) {
+                u16 type = ioread16(priv->io + i * INFO_BLOCK_SIZE +
+                                    INFO_BLOCK_TYPE);
+                if (type == ETHERCAT_MASTER_ID)
+                        break;
+        }
+        if (i == block_count) {
+                dev_err(dev, "EtherCAT master with DMA block not found\n");
+                return -ENODEV;
+        }
+        dev_dbg(dev, "EtherCAT master with DMA block found at pos: %d\n", i);
+        ec_info = priv->io + i * INFO_BLOCK_SIZE;
+        dev_dbg(dev, "EtherCAT master revision: %d\n",
+                ioread16(ec_info + INFO_BLOCK_REV));
+        priv->tx_dma_chan = ioread8(ec_info + INFO_BLOCK_TX_CHAN);
+        dev_dbg(dev, "EtherCAT master tx dma channel: %d\n",
+                priv->tx_dma_chan);
+        priv->rx_dma_chan = ioread8(ec_info + INFO_BLOCK_RX_CHAN);
+        dev_dbg(dev, "EtherCAT master rx dma channel: %d\n",
+                 priv->rx_dma_chan);
+        priv->ec_io = priv->io + ioread32(ec_info + INFO_BLOCK_OFFSET);
+        priv->mii_io = priv->ec_io + ioread32(priv->ec_io + EC_MII_OFFSET);
+        priv->fifo_io = priv->ec_io + ioread32(priv->ec_io + EC_FIFO_OFFSET);
+        priv->mac_io = priv->ec_io + ioread32(priv->ec_io + EC_MAC_OFFSET);
+        dev_dbg(dev,
+                "EtherCAT block addres: %p, fifo address: %p, mii address: %p, mac address: %p\n",
+                priv->ec_io, priv->fifo_io, priv->mii_io, priv->mac_io);
+        return 0;
+}
+static netdev_tx_t ec_bhf_start_xmit(struct sk_buff *skb,
+                                     struct net_device *net_dev)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        struct tx_desc *desc;
+        unsigned len;
+        dev_dbg(PRIV_TO_DEV(priv), "Starting xmit\n");
+        desc = &priv->tx_descs[priv->tx_dnext];
+        skb_copy_and_csum_dev(skb, desc->data);
+        len = skb->len;
+        memset(&desc->header, 0, sizeof(desc->header));
+        desc->header.len = cpu_to_le16(len);
+        desc->header.port = TX_HDR_PORT_0;
+        ec_bhf_send_packet(priv, desc);
+        priv->tx_dnext = (priv->tx_dnext + 1) % priv->tx_dcount;
+        if (!ec_bhf_desc_sent(&priv->tx_descs[priv->tx_dnext])) {
+                /* Make sure that update updates to tx_dnext are perceived
+                 * by timer routine.
+                 */
+                smp_wmb();
+                netif_stop_queue(net_dev);
+                dev_dbg(PRIV_TO_DEV(priv), "Stopping netif queue\n");
+                ec_bhf_print_status(priv);
+        }
+        priv->stat_tx_bytes += len;
+        dev_kfree_skb(skb);
+        return NETDEV_TX_OK;
+}
+static int ec_bhf_alloc_dma_mem(struct ec_bhf_priv *priv,
+                                struct bhf_dma *buf,
+                                int channel,
+                                int size)
+{
+        int offset = channel * DMA_CHAN_SIZE + DMA_CHAN_OFFSET;
+        struct device *dev = PRIV_TO_DEV(priv);
+        u32 mask;
+        iowrite32(0xffffffff, priv->dma_io + offset);
+        mask = ioread32(priv->dma_io + offset);
+        mask &= DMA_WINDOW_SIZE_MASK;
+        dev_dbg(dev, "Read mask %x for channel %d\n", mask, channel);
+        /* We want to allocate a chunk of memory that is:
+         * - aligned to the mask we just read
+         * - is of size 2^mask bytes (at most)
+         * In order to ensure that we will allocate buffer of
+         * 2 * 2^mask bytes.
+         */
+        buf->len = min_t(int, ~mask + 1, size);
+        buf->alloc_len = 2 * buf->len;
+        dev_dbg(dev, "Allocating %d bytes for channel %d",
+                (int)buf->alloc_len, channel);
+        buf->alloc = dma_alloc_coherent(dev, buf->alloc_len, &buf->alloc_phys,
+                                        GFP_KERNEL);
+        if (buf->alloc == NULL) {
+                dev_info(dev, "Failed to allocate buffer\n");
+                return -ENOMEM;
+        }
+        buf->buf_phys = (buf->alloc_phys + buf->len) & mask;
+        buf->buf = buf->alloc + (buf->buf_phys - buf->alloc_phys);
+        iowrite32(0, priv->dma_io + offset + 4);
+        iowrite32(buf->buf_phys, priv->dma_io + offset);
+        dev_dbg(dev, "Buffer: %x and read from dev: %x",
+                (unsigned)buf->buf_phys, ioread32(priv->dma_io + offset));
+        return 0;
+}
+static void ec_bhf_setup_tx_descs(struct ec_bhf_priv *priv)
+{
+        int i = 0;
+        priv->tx_dcount = priv->tx_buf.len / sizeof(struct tx_desc);
+        priv->tx_descs = (struct tx_desc *) priv->tx_buf.buf;
+        priv->tx_dnext = 0;
+        for (i = 0; i < priv->tx_dcount; i++)
+                priv->tx_descs[i].header.sent = cpu_to_le32(TX_HDR_SENT);
+}
+static void ec_bhf_setup_rx_descs(struct ec_bhf_priv *priv)
+{
+        int i;
+        priv->rx_dcount = priv->rx_buf.len / sizeof(struct rx_desc);
+        priv->rx_descs = (struct rx_desc *) priv->rx_buf.buf;
+        priv->rx_dnext = 0;
+        for (i = 0; i < priv->rx_dcount; i++) {
+                struct rx_desc *desc = &priv->rx_descs[i];
+                u32 next;
+                if (i != priv->rx_dcount - 1)
+                        next = (u8 *)(desc + 1) - priv->rx_buf.buf;
+                else
+                        next = 0;
+                next |= RXHDR_NEXT_VALID;
+                desc->header.next = cpu_to_le32(next);
+                desc->header.recv = 0;
+                ec_bhf_add_rx_desc(priv, desc);
+        }
+}
+static int ec_bhf_open(struct net_device *net_dev)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        struct device *dev = PRIV_TO_DEV(priv);
+        int err = 0;
+        dev_info(dev, "Opening device\n");
+        ec_bhf_reset(priv);
+        err = ec_bhf_alloc_dma_mem(priv, &priv->rx_buf, priv->rx_dma_chan,
+                                   FIFO_SIZE * sizeof(struct rx_desc));
+        if (err) {
+                dev_err(dev, "Failed to allocate rx buffer\n");
+                goto out;
+        }
+        ec_bhf_setup_rx_descs(priv);
+        dev_info(dev, "RX buffer allocated, address: %x\n",
+                 (unsigned)priv->rx_buf.buf_phys);
+        err = ec_bhf_alloc_dma_mem(priv, &priv->tx_buf, priv->tx_dma_chan,
+                                   FIFO_SIZE * sizeof(struct tx_desc));
+        if (err) {
+                dev_err(dev, "Failed to allocate tx buffer\n");
+                goto error_rx_free;
+        }
+        dev_dbg(dev, "TX buffer allocated, addres: %x\n",
+                (unsigned)priv->tx_buf.buf_phys);
+        iowrite8(0, priv->mii_io + MII_MAC_FILT_FLAG);
+        ec_bhf_setup_tx_descs(priv);
+        netif_start_queue(net_dev);
+        hrtimer_init(&priv->hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+        priv->hrtimer.function = ec_bhf_timer_fun;
+        hrtimer_start(&priv->hrtimer, ktime_set(0, polling_frequency),
+                      HRTIMER_MODE_REL);
+        dev_info(PRIV_TO_DEV(priv), "Device open\n");
+        ec_bhf_print_status(priv);
+        return 0;
+error_rx_free:
+        dma_free_coherent(dev, priv->rx_buf.alloc_len, priv->rx_buf.alloc,
+                          priv->rx_buf.alloc_len);
+out:
+        return err;
+}
+static int ec_bhf_stop(struct net_device *net_dev)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        struct device *dev = PRIV_TO_DEV(priv);
+        hrtimer_cancel(&priv->hrtimer);
+        ec_bhf_reset(priv);
+        netif_tx_disable(net_dev);
+        dma_free_coherent(dev, priv->tx_buf.alloc_len,
+                          priv->tx_buf.alloc, priv->tx_buf.alloc_phys);
+        dma_free_coherent(dev, priv->rx_buf.alloc_len,
+                          priv->rx_buf.alloc, priv->rx_buf.alloc_phys);
+        return 0;
+}
+static struct rtnl_link_stats64 *
+ec_bhf_get_stats(struct net_device *net_dev,
+                 struct rtnl_link_stats64 *stats)
+{
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        stats->rx_errors = ioread8(priv->mac_io + MAC_RX_ERR_CNT) +
+                                ioread8(priv->mac_io + MAC_CRC_ERR_CNT) +
+                                ioread8(priv->mac_io + MAC_FRAME_ERR_CNT);
+        stats->rx_packets = ioread32(priv->mac_io + MAC_RX_FRAME_CNT);
+        stats->tx_packets = ioread32(priv->mac_io + MAC_TX_FRAME_CNT);
+        stats->rx_dropped = ioread8(priv->mac_io + MAC_DROPPED_FRMS);
+        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 = {
+        .ndo_start_xmit         = ec_bhf_start_xmit,
+        .ndo_open               = ec_bhf_open,
+        .ndo_stop               = ec_bhf_stop,
+        .ndo_get_stats64        = ec_bhf_get_stats,
+        .ndo_change_mtu         = eth_change_mtu,
+        .ndo_validate_addr      = eth_validate_addr,
+        .ndo_set_mac_address    = eth_mac_addr
+};
+static int ec_bhf_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+        struct net_device *net_dev;
+        struct ec_bhf_priv *priv;
+        void * __iomem dma_io;
+        void * __iomem io;
+        int err = 0;
+        err = pci_enable_device(dev);
+        if (err)
+                return err;
+        pci_set_master(dev);
+        err = pci_set_dma_mask(dev, DMA_BIT_MASK(32));
+        if (err) {
+                dev_err(&dev->dev,
+                        "Required dma mask not supported, failed to initialize device\n");
+                err = -EIO;
+                goto err_disable_dev;
+        }
+        err = pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32));
+        if (err) {
+                dev_err(&dev->dev,
+                        "Required dma mask not supported, failed to initialize device\n");
+                goto err_disable_dev;
+        }
+        err = pci_request_regions(dev, "ec_bhf");
+        if (err) {
+                dev_err(&dev->dev, "Failed to request pci memory regions\n");
+                goto err_disable_dev;
+        }
+        io = pci_iomap(dev, 0, 0);
+        if (!io) {
+                dev_err(&dev->dev, "Failed to map pci card memory bar 0");
+                err = -EIO;
+                goto err_release_regions;
+        }
+        dma_io = pci_iomap(dev, 2, 0);
+        if (!dma_io) {
+                dev_err(&dev->dev, "Failed to map pci card memory bar 2");
+                err = -EIO;
+                goto err_unmap;
+        }
+        net_dev = alloc_etherdev(sizeof(struct ec_bhf_priv));
+        if (net_dev == 0) {
+                err = -ENOMEM;
+                goto err_unmap_dma_io;
+        }
+        pci_set_drvdata(dev, net_dev);
+        SET_NETDEV_DEV(net_dev, &dev->dev);
+        net_dev->features = 0;
+        net_dev->flags |= IFF_NOARP;
+        net_dev->netdev_ops = &ec_bhf_netdev_ops;
+        priv = netdev_priv(net_dev);
+        priv->net_dev = net_dev;
+        priv->io = io;
+        priv->dma_io = dma_io;
+        priv->dev = dev;
+        err = ec_bhf_setup_offsets(priv);
+        if (err < 0)
+                goto err_free_net_dev;
+        memcpy_fromio(net_dev->dev_addr, priv->mii_io + MII_MAC_ADDR, 6);
+        dev_dbg(&dev->dev, "CX5020 Ethercat master address: %pM\n",
+                net_dev->dev_addr);
+        err = register_netdev(net_dev);
+        if (err < 0)
+                goto err_free_net_dev;
+        return 0;
+err_free_net_dev:
+        free_netdev(net_dev);
+err_unmap_dma_io:
+        pci_iounmap(dev, dma_io);
+err_unmap:
+        pci_iounmap(dev, io);
+err_release_regions:
+        pci_release_regions(dev);
+err_disable_dev:
+        pci_clear_master(dev);
+        pci_disable_device(dev);
+        return err;
+}
+static void ec_bhf_remove(struct pci_dev *dev)
+{
+        struct net_device *net_dev = pci_get_drvdata(dev);
+        struct ec_bhf_priv *priv = netdev_priv(net_dev);
+        unregister_netdev(net_dev);
+        free_netdev(net_dev);
+        pci_iounmap(dev, priv->dma_io);
+        pci_iounmap(dev, priv->io);
+        pci_release_regions(dev);
+        pci_clear_master(dev);
+        pci_disable_device(dev);
+}
+static struct pci_driver pci_driver = {
+        .name           = "ec_bhf",
+        .id_table       = ids,
+        .probe          = ec_bhf_probe,
+        .remove         = ec_bhf_remove,
+};
+static int __init ec_bhf_init(void)
+{
+        return pci_register_driver(&pci_driver);
+}
+static void __exit ec_bhf_exit(void)
+{
+        pci_unregister_driver(&pci_driver);
+}
+module_init(ec_bhf_init);
+module_exit(ec_bhf_exit);
+module_param(polling_frequency, long, S_IRUGO);
+MODULE_PARM_DESC(polling_frequency, "Polling timer frequency in ns");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Dariusz Marcinkiewicz <reksio@newterm.pl>");
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index a18645407d21..dc19bc5dec77 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -4949,6 +4949,12 @@ static void be_eeh_resume(struct pci_dev *pdev)
        if (status)
                goto err;
+        /* On some BE3 FW versions, after a HW reset,
+         * interrupts will remain disabled for each function.
+         * So, explicitly enable interrupts
+         */
+        be_intr_set(adapter, true);
        /* tell fw we're ready to fire cmds */
        status = be_cmd_fw_init(adapter);
        if (status)
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index b0c6050479eb..b78378cea5e3 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -1988,7 +1988,7 @@ jme_alloc_txdesc(struct jme_adapter *jme,
        return idx;
 }
-static void
+static int
 jme_fill_tx_map(struct pci_dev *pdev,
                struct txdesc *txdesc,
                struct jme_buffer_info *txbi,
@@ -2005,6 +2005,9 @@ jme_fill_tx_map(struct pci_dev *pdev,
                                len,
                                PCI_DMA_TODEVICE);
+        if (unlikely(pci_dma_mapping_error(pdev, dmaaddr)))
+                return -EINVAL;
        pci_dma_sync_single_for_device(pdev,
                                       dmaaddr,
                                       len,
@@ -2021,9 +2024,30 @@ jme_fill_tx_map(struct pci_dev *pdev,
        txbi->mapping = dmaaddr;
        txbi->len = len;
+        return 0;
 }
-static void
+static void jme_drop_tx_map(struct jme_adapter *jme, int startidx, int count)
+{
+        struct jme_ring *txring = &(jme->txring[0]);
+        struct jme_buffer_info *txbi = txring->bufinf, *ctxbi;
+        int mask = jme->tx_ring_mask;
+        int j;
+        for (j = 0 ; j < count ; j++) {
+                ctxbi = txbi + ((startidx + j + 2) & (mask));
+                pci_unmap_page(jme->pdev,
+                                ctxbi->mapping,
+                                ctxbi->len,
+                                PCI_DMA_TODEVICE);
+                                ctxbi->mapping = 0;
+                                ctxbi->len = 0;
+        }
+}
+static int
 jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
 {
        struct jme_ring *txring = &(jme->txring[0]);
@@ -2034,25 +2058,37 @@ jme_map_tx_skb(struct jme_adapter *jme, struct sk_buff *skb, int idx)
        int mask = jme->tx_ring_mask;
        const struct skb_frag_struct *frag;
        u32 len;
+        int ret = 0;
        for (i = 0 ; i < nr_frags ; ++i) {
                frag = &skb_shinfo(skb)->frags[i];
                ctxdesc = txdesc + ((idx + i + 2) & (mask));
                ctxbi = txbi + ((idx + i + 2) & (mask));
-                jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
+                ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi,
                                skb_frag_page(frag),
                                frag->page_offset, skb_frag_size(frag), hidma);
+                if (ret) {
+                        jme_drop_tx_map(jme, idx, i);
+                        goto out;
+                }
        }
        len = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len;
        ctxdesc = txdesc + ((idx + 1) & (mask));
        ctxbi = txbi + ((idx + 1) & (mask));
-        jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
+        ret = jme_fill_tx_map(jme->pdev, ctxdesc, ctxbi, virt_to_page(skb->data),
                        offset_in_page(skb->data), len, hidma);
+        if (ret)
+                jme_drop_tx_map(jme, idx, i);
+out:
+        return ret;
 }
 static int
 jme_tx_tso(struct sk_buff *skb, __le16 *mss, u8 *flags)
 {
@@ -2131,6 +2167,7 @@ jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
        struct txdesc *txdesc;
        struct jme_buffer_info *txbi;
        u8 flags;
+        int ret = 0;
        txdesc = (struct txdesc *)txring->desc + idx;
        txbi = txring->bufinf + idx;
@@ -2155,7 +2192,10 @@ jme_fill_tx_desc(struct jme_adapter *jme, struct sk_buff *skb, int idx)
        if (jme_tx_tso(skb, &txdesc->desc1.mss, &flags))
                jme_tx_csum(jme, skb, &flags);
        jme_tx_vlan(skb, &txdesc->desc1.vlan, &flags);
-        jme_map_tx_skb(jme, skb, idx);
+        ret = jme_map_tx_skb(jme, skb, idx);
+        if (ret)
+                return ret;
        txdesc->desc1.flags = flags;
        /*
         * Set tx buffer info after telling NIC to send
@@ -2228,7 +2268,8 @@ jme_start_xmit(struct sk_buff *skb, struct net_device *netdev)
                return NETDEV_TX_BUSY;
        }
-        jme_fill_tx_desc(jme, skb, idx);
+        if (jme_fill_tx_desc(jme, skb, idx))
+                return NETDEV_TX_OK;
        jwrite32(jme, JME_TXCS, jme->reg_txcs |
                                TXCS_SELECT_QUEUE0 |
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 78099eab7673..92d3249f63f1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1253,12 +1253,12 @@ static struct mlx4_cmd_info cmd_info[] = {
        },
        {
                .opcode = MLX4_CMD_UPDATE_QP,
-                .has_inbox = false,
+                .has_inbox = true,
                .has_outbox = false,
                .out_is_imm = false,
                .encode_slave_id = false,
                .verify = NULL,
-                .wrapper = mlx4_CMD_EPERM_wrapper
+                .wrapper = mlx4_UPDATE_QP_wrapper
        },
        {
                .opcode = MLX4_CMD_GET_OP_REQ,
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
index f9c465101963..212cea440f90 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h
@@ -1195,6 +1195,12 @@ int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                           struct mlx4_cmd_mailbox *outbox,
                           struct mlx4_cmd_info *cmd);
+int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
+                           struct mlx4_vhcr *vhcr,
+                           struct mlx4_cmd_mailbox *inbox,
+                           struct mlx4_cmd_mailbox *outbox,
+                           struct mlx4_cmd_info *cmd);
 int mlx4_PROMISC_wrapper(struct mlx4_dev *dev, int slave,
                         struct mlx4_vhcr *vhcr,
                         struct mlx4_cmd_mailbox *inbox,
diff --git a/drivers/net/ethernet/mellanox/mlx4/qp.c b/drivers/net/ethernet/mellanox/mlx4/qp.c
index 61d64ebffd56..fbd32af89c7c 100644
--- a/drivers/net/ethernet/mellanox/mlx4/qp.c
+++ b/drivers/net/ethernet/mellanox/mlx4/qp.c
@@ -389,6 +389,41 @@ err_icm:
 EXPORT_SYMBOL_GPL(mlx4_qp_alloc);
+#define MLX4_UPDATE_QP_SUPPORTED_ATTRS MLX4_UPDATE_QP_SMAC
+int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
+                   enum mlx4_update_qp_attr attr,
+                   struct mlx4_update_qp_params *params)
+{
+        struct mlx4_cmd_mailbox *mailbox;
+        struct mlx4_update_qp_context *cmd;
+        u64 pri_addr_path_mask = 0;
+        int err = 0;
+        mailbox = mlx4_alloc_cmd_mailbox(dev);
+        if (IS_ERR(mailbox))
+                return PTR_ERR(mailbox);
+        cmd = (struct mlx4_update_qp_context *)mailbox->buf;
+        if (!attr || (attr & ~MLX4_UPDATE_QP_SUPPORTED_ATTRS))
+                return -EINVAL;
+        if (attr & MLX4_UPDATE_QP_SMAC) {
+                pri_addr_path_mask |= 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX;
+                cmd->qp_context.pri_path.grh_mylmc = params->smac_index;
+        }
+        cmd->primary_addr_path_mask = cpu_to_be64(pri_addr_path_mask);
+        err = mlx4_cmd(dev, mailbox->dma, qp->qpn & 0xffffff, 0,
+                       MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
+                       MLX4_CMD_NATIVE);
+        mlx4_free_cmd_mailbox(dev, mailbox);
+        return err;
+}
+EXPORT_SYMBOL_GPL(mlx4_update_qp);
 void mlx4_qp_remove(struct mlx4_dev *dev, struct mlx4_qp *qp)
 {
        struct mlx4_qp_table *qp_table = &mlx4_priv(dev)->qp_table;
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 1c3fdd4a1f7d..8f1254a79832 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -3895,6 +3895,60 @@ static int add_eth_header(struct mlx4_dev *dev, int slave,
 }
+#define MLX4_UPD_QP_PATH_MASK_SUPPORTED (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)
+int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave,
+                           struct mlx4_vhcr *vhcr,
+                           struct mlx4_cmd_mailbox *inbox,
+                           struct mlx4_cmd_mailbox *outbox,
+                           struct mlx4_cmd_info *cmd_info)
+{
+        int err;
+        u32 qpn = vhcr->in_modifier & 0xffffff;
+        struct res_qp *rqp;
+        u64 mac;
+        unsigned port;
+        u64 pri_addr_path_mask;
+        struct mlx4_update_qp_context *cmd;
+        int smac_index;
+        cmd = (struct mlx4_update_qp_context *)inbox->buf;
+        pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask);
+        if (cmd->qp_mask || cmd->secondary_addr_path_mask ||
+            (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED))
+                return -EPERM;
+        /* Just change the smac for the QP */
+        err = get_res(dev, slave, qpn, RES_QP, &rqp);
+        if (err) {
+                mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave);
+                return err;
+        }
+        port = (rqp->sched_queue >> 6 & 1) + 1;
+        smac_index = cmd->qp_context.pri_path.grh_mylmc;
+        err = mac_find_smac_ix_in_slave(dev, slave, port,
+                                        smac_index, &mac);
+        if (err) {
+                mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n",
+                         qpn, smac_index);
+                goto err_mac;
+        }
+        err = mlx4_cmd(dev, inbox->dma,
+                       vhcr->in_modifier, 0,
+                       MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A,
+                       MLX4_CMD_NATIVE);
+        if (err) {
+                mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn);
+                goto err_mac;
+        }
+err_mac:
+        put_res(dev, slave, qpn, RES_QP);
+        return err;
+}
 int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave,
                                         struct mlx4_vhcr *vhcr,
                                         struct mlx4_cmd_mailbox *inbox,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index 7b52a88923ef..f785d01c7d12 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
@@ -1719,22 +1719,6 @@ static inline u32 qlcnic_tx_avail(struct qlcnic_host_tx_ring *tx_ring)
                                tx_ring->producer;
 }
-static inline int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
-                                             struct net_device *netdev)
-{
-        int err;
-        netdev->num_tx_queues = adapter->drv_tx_rings;
-        netdev->real_num_tx_queues = adapter->drv_tx_rings;
-        err = netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
-        if (err)
-                netdev_err(netdev, "failed to set %d Tx queues\n",
-                           adapter->drv_tx_rings);
-        return err;
-}
 struct qlcnic_nic_template {
        int (*config_bridged_mode) (struct qlcnic_adapter *, u32);
        int (*config_led) (struct qlcnic_adapter *, u32, u32);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 0bc914859e38..7e55e88a81bf 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -2206,6 +2206,31 @@ static void qlcnic_82xx_set_mac_filter_count(struct qlcnic_adapter *adapter)
        ahw->max_uc_count = count;
 }
+static int qlcnic_set_real_num_queues(struct qlcnic_adapter *adapter,
+                                      u8 tx_queues, u8 rx_queues)
+{
+        struct net_device *netdev = adapter->netdev;
+        int err = 0;
+        if (tx_queues) {
+                err = netif_set_real_num_tx_queues(netdev, tx_queues);
+                if (err) {
+                        netdev_err(netdev, "failed to set %d Tx queues\n",
+                                   tx_queues);
+                        return err;
+                }
+        }
+        if (rx_queues) {
+                err = netif_set_real_num_rx_queues(netdev, rx_queues);
+                if (err)
+                        netdev_err(netdev, "failed to set %d Rx queues\n",
+                                   rx_queues);
+        }
+        return err;
+}
 int
 qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
                    int pci_using_dac)
@@ -2269,7 +2294,8 @@ qlcnic_setup_netdev(struct qlcnic_adapter *adapter, struct net_device *netdev,
        netdev->priv_flags |= IFF_UNICAST_FLT;
        netdev->irq = adapter->msix_entries[0].vector;
-        err = qlcnic_set_real_num_queues(adapter, netdev);
+        err = qlcnic_set_real_num_queues(adapter, adapter->drv_tx_rings,
+                                         adapter->drv_sds_rings);
        if (err)
                return err;
@@ -2943,9 +2969,13 @@ static void qlcnic_dump_tx_rings(struct qlcnic_adapter *adapter)
                            tx_ring->tx_stats.xmit_called,
                            tx_ring->tx_stats.xmit_on,
                            tx_ring->tx_stats.xmit_off);
+                if (tx_ring->crb_intr_mask)
+                        netdev_info(netdev, "crb_intr_mask=%d\n",
+                                    readl(tx_ring->crb_intr_mask));
                netdev_info(netdev,
-                            "crb_intr_mask=%d, hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
+                            "hw_producer=%d, sw_producer=%d sw_consumer=%d, hw_consumer=%d\n",
-                            readl(tx_ring->crb_intr_mask),
                            readl(tx_ring->crb_cmd_producer),
                            tx_ring->producer, tx_ring->sw_consumer,
                            le32_to_cpu(*(tx_ring->hw_consumer)));
@@ -3978,12 +4008,21 @@ int qlcnic_validate_rings(struct qlcnic_adapter *adapter, __u32 ring_cnt,
 int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
 {
        struct net_device *netdev = adapter->netdev;
+        u8 tx_rings, rx_rings;
        int err;
        if (test_bit(__QLCNIC_RESETTING, &adapter->state))
                return -EBUSY;
+        tx_rings = adapter->drv_tss_rings;
+        rx_rings = adapter->drv_rss_rings;
        netif_device_detach(netdev);
+        err = qlcnic_set_real_num_queues(adapter, tx_rings, rx_rings);
+        if (err)
+                goto done;
        if (netif_running(netdev))
                __qlcnic_down(adapter, netdev);
@@ -4003,7 +4042,17 @@ int qlcnic_setup_rings(struct qlcnic_adapter *adapter)
                return err;
        }
-        netif_set_real_num_tx_queues(netdev, adapter->drv_tx_rings);
+        /* Check if we need to update real_num_{tx|rx}_queues because
+         * qlcnic_setup_intr() may change Tx/Rx rings size
+         */
+        if ((tx_rings != adapter->drv_tx_rings) ||
+            (rx_rings != adapter->drv_sds_rings)) {
+                err = qlcnic_set_real_num_queues(adapter,
+                                                 adapter->drv_tx_rings,
+                                                 adapter->drv_sds_rings);
+                if (err)
+                        goto done;
+        }
        if (qlcnic_83xx_check(adapter)) {
                qlcnic_83xx_initialize_nic(adapter, 1);
diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c
index 32d969e857f7..89b83e59e1dc 100644
--- a/drivers/net/ethernet/sfc/nic.c
+++ b/drivers/net/ethernet/sfc/nic.c
@@ -156,13 +156,15 @@ void efx_nic_fini_interrupt(struct efx_nic *efx)
        efx->net_dev->rx_cpu_rmap = NULL;
 #endif
-        /* Disable MSI/MSI-X interrupts */
+        if (EFX_INT_MODE_USE_MSI(efx)) {
-        efx_for_each_channel(channel, efx)
+                /* Disable MSI/MSI-X interrupts */
-                free_irq(channel->irq, &efx->msi_context[channel->channel]);
+                efx_for_each_channel(channel, efx)
+                        free_irq(channel->irq,
-        /* Disable legacy interrupt */
+                                 &efx->msi_context[channel->channel]);
-        if (efx->legacy_irq)
+        } else {
+                /* Disable legacy interrupt */
                free_irq(efx->legacy_irq, efx);
+        }
 }
 /* Register dump */
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index d940034acdd4..0f4841d2e8dc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1704,7 +1704,7 @@ static int stmmac_open(struct net_device *dev)
                if (ret) {
                        pr_err("%s: Cannot attach to PHY (error: %d)\n",
                               __func__, ret);
-                        goto phy_error;
+                        return ret;
                }
        }
@@ -1779,8 +1779,6 @@ init_error:
 dma_desc_error:
        if (priv->phydev)
                phy_disconnect(priv->phydev);
-phy_error:
-        clk_disable_unprepare(priv->stmmac_clk);
        return ret;
 }
diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index df8d383acf48..b9ac20f42651 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -246,7 +246,7 @@ static inline void cas_lock_tx(struct cas *cp)
        int i;
        for (i = 0; i < N_TX_RINGS; i++)
-                spin_lock(&cp->tx_lock[i]);
+                spin_lock_nested(&cp->tx_lock[i], i);
 }
 static inline void cas_lock_all(struct cas *cp)
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 36aa109416c4..c331b7ebc812 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1871,18 +1871,13 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
                mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
                phyid = be32_to_cpup(parp+1);
                mdio = of_find_device_by_node(mdio_node);
+                of_node_put(mdio_node);
-                if (strncmp(mdio->name, "gpio", 4) == 0) {
+                if (!mdio) {
-                        /* GPIO bitbang MDIO driver attached */
+                        pr_err("Missing mdio platform device\n");
-                        struct mii_bus *bus = dev_get_drvdata(&mdio->dev);
+                        return -EINVAL;
-                        snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-                                 PHY_ID_FMT, bus->id, phyid);
-                } else {
-                        /* davinci MDIO driver attached */
-                        snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
-                                 PHY_ID_FMT, mdio->name, phyid);
                }
+                snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+                         PHY_ID_FMT, mdio->name, phyid);
                mac_addr = of_get_mac_address(slave_node);
                if (mac_addr)
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index b0e2865a6810..d53e299ae1d9 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -458,8 +458,10 @@ static void macvlan_change_rx_flags(struct net_device *dev, int change)
        struct macvlan_dev *vlan = netdev_priv(dev);
        struct net_device *lowerdev = vlan->lowerdev;
-        if (change & IFF_ALLMULTI)
+        if (dev->flags & IFF_UP) {
-                dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1);
+                if (change & IFF_ALLMULTI)
+                        dev_set_allmulti(lowerdev, dev->flags & IFF_ALLMULTI ? 1 : -1);
+        }
 }
 static void macvlan_set_mac_lists(struct net_device *dev)
@@ -515,6 +517,11 @@ static struct lock_class_key macvlan_netdev_addr_lock_key;
 #define MACVLAN_STATE_MASK \
        ((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
+static int macvlan_get_nest_level(struct net_device *dev)
+{
+        return ((struct macvlan_dev *)netdev_priv(dev))->nest_level;
+}
 static void macvlan_set_lockdep_class_one(struct net_device *dev,
                                          struct netdev_queue *txq,
                                          void *_unused)
@@ -525,8 +532,9 @@ static void macvlan_set_lockdep_class_one(struct net_device *dev,
 static void macvlan_set_lockdep_class(struct net_device *dev)
 {
-        lockdep_set_class(&dev->addr_list_lock,
+        lockdep_set_class_and_subclass(&dev->addr_list_lock,
-                          &macvlan_netdev_addr_lock_key);
+                                       &macvlan_netdev_addr_lock_key,
+                                       macvlan_get_nest_level(dev));
        netdev_for_each_tx_queue(dev, macvlan_set_lockdep_class_one, NULL);
 }
@@ -721,6 +729,7 @@ static const struct net_device_ops macvlan_netdev_ops = {
        .ndo_fdb_add            = macvlan_fdb_add,
        .ndo_fdb_del            = macvlan_fdb_del,
        .ndo_fdb_dump           = ndo_dflt_fdb_dump,
+        .ndo_get_lock_subclass  = macvlan_get_nest_level,
 };
 void macvlan_common_setup(struct net_device *dev)
@@ -849,6 +858,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
        vlan->dev      = dev;
        vlan->port     = port;
        vlan->set_features = MACVLAN_FEATURES;
+        vlan->nest_level = dev_get_nest_level(lowerdev, netif_is_macvlan) + 1;
        vlan->mode     = MACVLAN_MODE_VEPA;
        if (data && data[IFLA_MACVLAN_MODE])
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 9c4defdec67b..5f1a2250018f 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -215,6 +215,10 @@ static int mdio_gpio_probe(struct platform_device *pdev)
        if (pdev->dev.of_node) {
                pdata = mdio_gpio_of_get_data(pdev);
                bus_id = of_alias_get_id(pdev->dev.of_node, "mdio-gpio");
+                if (bus_id < 0) {
+                        dev_warn(&pdev->dev, "failed to get alias id\n");
+                        bus_id = 0;
+                }
        } else {
                pdata = dev_get_platdata(&pdev->dev);
                bus_id = pdev->id;
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index a972056b2249..3bc079a67a3d 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -715,7 +715,7 @@ void phy_state_machine(struct work_struct *work)
        struct delayed_work *dwork = to_delayed_work(work);
        struct phy_device *phydev =
                        container_of(dwork, struct phy_device, state_queue);
-        int needs_aneg = 0, do_suspend = 0;
+        bool needs_aneg = false, do_suspend = false, do_resume = false;
        int err = 0;
        mutex_lock(&phydev->lock);
@@ -727,7 +727,7 @@ void phy_state_machine(struct work_struct *work)
        case PHY_PENDING:
                break;
        case PHY_UP:
-                needs_aneg = 1;
+                needs_aneg = true;
                phydev->link_timeout = PHY_AN_TIMEOUT;
@@ -757,7 +757,7 @@ void phy_state_machine(struct work_struct *work)
                        phydev->adjust_link(phydev->attached_dev);
                } else if (0 == phydev->link_timeout--)
-                        needs_aneg = 1;
+                        needs_aneg = true;
                break;
        case PHY_NOLINK:
                err = phy_read_status(phydev);
@@ -791,7 +791,7 @@ void phy_state_machine(struct work_struct *work)
                        netif_carrier_on(phydev->attached_dev);
                } else {
                        if (0 == phydev->link_timeout--)
-                                needs_aneg = 1;
+                                needs_aneg = true;
                }
                phydev->adjust_link(phydev->attached_dev);
@@ -827,7 +827,7 @@ void phy_state_machine(struct work_struct *work)
                        phydev->link = 0;
                        netif_carrier_off(phydev->attached_dev);
                        phydev->adjust_link(phydev->attached_dev);
-                        do_suspend = 1;
+                        do_suspend = true;
                }
                break;
        case PHY_RESUMING:
@@ -876,6 +876,7 @@ void phy_state_machine(struct work_struct *work)
                        }
                        phydev->adjust_link(phydev->attached_dev);
                }
+                do_resume = true;
                break;
        }
@@ -883,9 +884,10 @@ void phy_state_machine(struct work_struct *work)
        if (needs_aneg)
                err = phy_start_aneg(phydev);
+        else if (do_suspend)
-        if (do_suspend)
                phy_suspend(phydev);
+        else if (do_resume)
+                phy_resume(phydev);
        if (err < 0)
                phy_error(phydev);
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 0ce606624296..4987a1c6dc52 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -614,8 +614,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
        err = phy_init_hw(phydev);
        if (err)
                phy_detach(phydev);
+        else
-        phy_resume(phydev);
+                phy_resume(phydev);
        return err;
 }
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index c9f3281506af..2e025ddcef21 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -120,6 +120,16 @@ static void cdc_mbim_unbind(struct usbnet *dev, struct usb_interface *intf)
        cdc_ncm_unbind(dev, intf);
 }
+/* verify that the ethernet protocol is IPv4 or IPv6 */
+static bool is_ip_proto(__be16 proto)
+{
+        switch (proto) {
+        case htons(ETH_P_IP):
+        case htons(ETH_P_IPV6):
+                return true;
+        }
+        return false;
+}
 static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb, gfp_t flags)
 {
@@ -128,6 +138,7 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
        struct cdc_ncm_ctx *ctx = info->ctx;
        __le32 sign = cpu_to_le32(USB_CDC_MBIM_NDP16_IPS_SIGN);
        u16 tci = 0;
+        bool is_ip;
        u8 *c;
        if (!ctx)
@@ -137,25 +148,32 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
                if (skb->len <= ETH_HLEN)
                        goto error;
+                /* Some applications using e.g. packet sockets will
+                 * bypass the VLAN acceleration and create tagged
+                 * ethernet frames directly.  We primarily look for
+                 * the accelerated out-of-band tag, but fall back if
+                 * required
+                 */
+                skb_reset_mac_header(skb);
+                if (vlan_get_tag(skb, &tci) < 0 && skb->len > VLAN_ETH_HLEN &&
+                    __vlan_get_tag(skb, &tci) == 0) {
+                        is_ip = is_ip_proto(vlan_eth_hdr(skb)->h_vlan_encapsulated_proto);
+                        skb_pull(skb, VLAN_ETH_HLEN);
+                } else {
+                        is_ip = is_ip_proto(eth_hdr(skb)->h_proto);
+                        skb_pull(skb, ETH_HLEN);
+                }
                /* mapping VLANs to MBIM sessions:
                 *   no tag     => IPS session <0>
                 *   1 - 255    => IPS session <vlanid>
                 *   256 - 511  => DSS session <vlanid - 256>
                 *   512 - 4095 => unsupported, drop
                 */
-                vlan_get_tag(skb, &tci);
                switch (tci & 0x0f00) {
                case 0x0000: /* VLAN ID 0 - 255 */
-                        /* verify that datagram is IPv4 or IPv6 */
+                        if (!is_ip)
-                        skb_reset_mac_header(skb);
-                        switch (eth_hdr(skb)->h_proto) {
-                        case htons(ETH_P_IP):
-                        case htons(ETH_P_IPV6):
-                                break;
-                        default:
                                goto error;
-                        }
                        c = (u8 *)&sign;
                        c[3] = tci;
                        break;
@@ -169,7 +187,6 @@ static struct sk_buff *cdc_mbim_tx_fixup(struct usbnet *dev, struct sk_buff *skb
                                  "unsupported tci=0x%04x\n", tci);
                        goto error;
                }
-                skb_pull(skb, ETH_HLEN);
        }
        spin_lock_bh(&ctx->mtx);
@@ -204,17 +221,23 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
                return;
        /* need to send the NA on the VLAN dev, if any */
-        if (tci)
+        rcu_read_lock();
+        if (tci) {
                netdev = __vlan_find_dev_deep(dev->net, htons(ETH_P_8021Q),
                                              tci);
-        else
+                if (!netdev) {
+                        rcu_read_unlock();
+                        return;
+                }
+        } else {
                netdev = dev->net;
-        if (!netdev)
+        }
-                return;
+        dev_hold(netdev);
+        rcu_read_unlock();
        in6_dev = in6_dev_get(netdev);
        if (!in6_dev)
-                return;
+                goto out;
        is_router = !!in6_dev->cnf.forwarding;
        in6_dev_put(in6_dev);
@@ -224,6 +247,8 @@ static void do_neigh_solicit(struct usbnet *dev, u8 *buf, u16 tci)
                                 true /* solicited */,
                                 false /* override */,
                                 true /* inc_opt */);
+out:
+        dev_put(netdev);
 }
 static bool is_neigh_solicit(u8 *buf, size_t len)
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index f46cd0250e48..5627917c5ff7 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -95,8 +95,10 @@ static void ath9k_htc_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
        if ((vif->type == NL80211_IFTYPE_AP ||
             vif->type == NL80211_IFTYPE_MESH_POINT) &&
-            bss_conf->enable_beacon)
+            bss_conf->enable_beacon) {
                priv->reconfig_beacon = true;
+                priv->rearm_ani = true;
+        }
        if (bss_conf->assoc) {
                priv->rearm_ani = true;
@@ -257,6 +259,7 @@ static int ath9k_htc_set_channel(struct ath9k_htc_priv *priv,
        ath9k_htc_ps_wakeup(priv);
+        ath9k_htc_stop_ani(priv);
        del_timer_sync(&priv->tx.cleanup_timer);
        ath9k_htc_tx_drain(priv);
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
index afb3d15e38ff..be1985296bdc 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c
@@ -4948,7 +4948,7 @@ static int brcmf_enable_bw40_2g(struct brcmf_if *ifp)
        if (!err) {
                /* only set 2G bandwidth using bw_cap command */
                band_bwcap.band = cpu_to_le32(WLC_BAND_2G);
-                band_bwcap.bw_cap = cpu_to_le32(WLC_BW_40MHZ_BIT);
+                band_bwcap.bw_cap = cpu_to_le32(WLC_BW_CAP_40MHZ);
                err = brcmf_fil_iovar_data_set(ifp, "bw_cap", &band_bwcap,
                                               sizeof(band_bwcap));
        } else {
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c
index fa858d548d13..0489314425cb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex.c
@@ -611,14 +611,14 @@ int iwl_send_bt_init_conf(struct iwl_mvm *mvm)
                bt_cmd->flags |= cpu_to_le32(BT_COEX_SYNC2SCO);
        if (IWL_MVM_BT_COEX_CORUNNING) {
-                bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_CORUN_LUT_20 |
+                bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_CORUN_LUT_20 |
-                                                    BT_VALID_CORUN_LUT_40);
+                                                     BT_VALID_CORUN_LUT_40);
                bt_cmd->flags |= cpu_to_le32(BT_COEX_CORUNNING);
        }
        if (IWL_MVM_BT_COEX_MPLUT) {
                bt_cmd->flags |= cpu_to_le32(BT_COEX_MPLUT);
-                bt_cmd->valid_bit_msk = cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
+                bt_cmd->valid_bit_msk |= cpu_to_le32(BT_VALID_MULTI_PRIO_LUT);
        }
        if (mvm->cfg->bt_shared_single_ant)
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
index 9426905de6b2..d73a89ecd78a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
@@ -183,9 +183,9 @@ enum iwl_scan_type {
 *      this number of packets were received (typically 1)
 * @passive2active: is auto switching from passive to active during scan allowed
 * @rxchain_sel_flags: RXON_RX_CHAIN_*
- * @max_out_time: in usecs, max out of serving channel time
+ * @max_out_time: in TUs, max out of serving channel time
 * @suspend_time: how long to pause scan when returning to service channel:
- *      bits 0-19: beacon interal in usecs (suspend before executing)
+ *      bits 0-19: beacon interal in TUs (suspend before executing)
 *      bits 20-23: reserved
 *      bits 24-31: number of beacons (suspend between channels)
 * @rxon_flags: RXON_FLG_*
@@ -383,8 +383,8 @@ enum scan_framework_client {
 * @quiet_plcp_th:      quiet channel num of packets threshold
 * @good_CRC_th:        passive to active promotion threshold
 * @rx_chain:           RXON rx chain.
- * @max_out_time:       max uSec to be out of assoceated channel
+ * @max_out_time:       max TUs to be out of assoceated channel
- * @suspend_time:       pause scan this long when returning to service channel
+ * @suspend_time:       pause scan this TUs when returning to service channel
 * @flags:              RXON flags
 * @filter_flags:       RXONfilter
 * @tx_cmd:             tx command for active scan; for 2GHz and for 5GHz.
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index f0cebf12c7b8..b41dc84e9431 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1007,7 +1007,7 @@ static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
        memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
        len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
-        ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_SYNC, len, cmd);
+        ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
        if (ret)
                IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
 }
@@ -1023,7 +1023,7 @@ static void iwl_mvm_recalc_multicast(struct iwl_mvm *mvm)
        if (WARN_ON_ONCE(!mvm->mcast_filter_cmd))
                return;
-        ieee80211_iterate_active_interfaces(
+        ieee80211_iterate_active_interfaces_atomic(
                mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
                iwl_mvm_mc_iface_iterator, &iter_data);
 }
@@ -1807,6 +1807,11 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
        mutex_lock(&mvm->mutex);
+        if (!iwl_mvm_is_idle(mvm)) {
+                ret = -EBUSY;
+                goto out;
+        }
        switch (mvm->scan_status) {
        case IWL_MVM_SCAN_OS:
                IWL_DEBUG_SCAN(mvm, "Stopping previous scan for sched_scan\n");
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index d564233a65da..f1ec0986c3c9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -1003,6 +1003,9 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
        return mvmvif->low_latency;
 }
+/* Assoc status */
+bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
 /* Thermal management and CT-kill */
 void iwl_mvm_tt_tx_backoff(struct iwl_mvm *mvm, u32 backoff);
 void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 9f52c5b3f0ec..e1c838899363 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -1010,7 +1010,7 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband,
                return;
        }
-#ifdef CPTCFG_MAC80211_DEBUGFS
+#ifdef CONFIG_MAC80211_DEBUGFS
        /* Disable last tx check if we are debugging with fixed rate */
        if (lq_sta->dbg_fixed_rate) {
                IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n");
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index c91dc8498852..c28de54c75d4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -277,51 +277,22 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
                                            IEEE80211_IFACE_ITER_NORMAL,
                                            iwl_mvm_scan_condition_iterator,
                                            &global_bound);
-        /*
-         * Under low latency traffic passive scan is fragmented meaning
-         * that dwell on a particular channel will be fragmented. Each fragment
-         * dwell time is 20ms and fragments period is 105ms. Skipping to next
-         * channel will be delayed by the same period - 105ms. So suspend_time
-         * parameter describing both fragments and channels skipping periods is
-         * set to 105ms. This value is chosen so that overall passive scan
-         * duration will not be too long. Max_out_time in this case is set to
-         * 70ms, so for active scanning operating channel will be left for 70ms
-         * while for passive still for 20ms (fragment dwell).
-         */
-        if (global_bound) {
-                if (!iwl_mvm_low_latency(mvm)) {
-                        params->suspend_time = ieee80211_tu_to_usec(100);
-                        params->max_out_time = ieee80211_tu_to_usec(600);
-                } else {
-                        params->suspend_time = ieee80211_tu_to_usec(105);
-                        /* P2P doesn't support fragmented passive scan, so
-                         * configure max_out_time to be at least longest dwell
-                         * time for passive scan.
-                         */
-                        if (vif->type == NL80211_IFTYPE_STATION && !vif->p2p) {
-                                params->max_out_time = ieee80211_tu_to_usec(70);
-                                params->passive_fragmented = true;
-                        } else {
-                                u32 passive_dwell;
-                                /*
+        if (!global_bound)
-                                 * Use band G so that passive channel dwell time
+                goto not_bound;
-                                 * will be assigned with maximum value.
-                                 */
+        params->suspend_time = 100;
-                                band = IEEE80211_BAND_2GHZ;
+        params->max_out_time = 600;
-                                passive_dwell = iwl_mvm_get_passive_dwell(band);
-                                params->max_out_time =
+        if (iwl_mvm_low_latency(mvm)) {
-                                        ieee80211_tu_to_usec(passive_dwell);
+                params->suspend_time = 250;
-                        }
+                params->max_out_time = 250;
-                }
        }
+not_bound:
        for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
-                if (params->passive_fragmented)
+                params->dwell[band].passive = iwl_mvm_get_passive_dwell(band);
-                        params->dwell[band].passive = 20;
-                else
-                        params->dwell[band].passive =
-                                iwl_mvm_get_passive_dwell(band);
                params->dwell[band].active = iwl_mvm_get_active_dwell(band,
                                                                      n_ssids);
        }
@@ -761,7 +732,7 @@ int iwl_mvm_config_sched_scan(struct iwl_mvm *mvm,
        int band_2ghz = mvm->nvm_data->bands[IEEE80211_BAND_2GHZ].n_channels;
        int band_5ghz = mvm->nvm_data->bands[IEEE80211_BAND_5GHZ].n_channels;
        int head = 0;
-        int tail = band_2ghz + band_5ghz;
+        int tail = band_2ghz + band_5ghz - 1;
        u32 ssid_bitmap;
        int cmd_len;
        int ret;
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index d619851745a1..2180902266ae 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -644,3 +644,22 @@ bool iwl_mvm_low_latency(struct iwl_mvm *mvm)
        return result;
 }
+static void iwl_mvm_idle_iter(void *_data, u8 *mac, struct ieee80211_vif *vif)
+{
+        bool *idle = _data;
+        if (!vif->bss_conf.idle)
+                *idle = false;
+}
+bool iwl_mvm_is_idle(struct iwl_mvm *mvm)
+{
+        bool idle = true;
+        ieee80211_iterate_active_interfaces_atomic(
+                        mvm->hw, IEEE80211_IFACE_ITER_NORMAL,
+                        iwl_mvm_idle_iter, &idle);
+        return idle;
+}
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index dcfd6d866d09..2365553f1ef7 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -1749,6 +1749,10 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
         * PCI Tx retries from interfering with C3 CPU state */
        pci_write_config_byte(pdev, PCI_CFG_RETRY_TIMEOUT, 0x00);
+        trans->dev = &pdev->dev;
+        trans_pcie->pci_dev = pdev;
+        iwl_disable_interrupts(trans);
        err = pci_enable_msi(pdev);
        if (err) {
                dev_err(&pdev->dev, "pci_enable_msi failed(0X%x)\n", err);
@@ -1760,8 +1764,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
                }
        }
-        trans->dev = &pdev->dev;
-        trans_pcie->pci_dev = pdev;
        trans->hw_rev = iwl_read32(trans, CSR_HW_REV);
        trans->hw_id = (pdev->device << 16) + pdev->subsystem_device;
        snprintf(trans->hw_id_str, sizeof(trans->hw_id_str),
@@ -1787,8 +1789,6 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
                goto out_pci_disable_msi;
        }
-        trans_pcie->inta_mask = CSR_INI_SET_MASK;
        if (iwl_pcie_alloc_ict(trans))
                goto out_free_cmd_pool;
@@ -1800,6 +1800,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
                goto out_free_ict;
        }
+        trans_pcie->inta_mask = CSR_INI_SET_MASK;
        return trans;
 out_free_ict:
diff --git a/drivers/net/xen-netback/common.h b/drivers/net/xen-netback/common.h
index 630a3fcf65bc..0d4a285cbd7e 100644
--- a/drivers/net/xen-netback/common.h
+++ b/drivers/net/xen-netback/common.h
@@ -226,7 +226,7 @@ int xenvif_map_frontend_rings(struct xenvif *vif,
                              grant_ref_t rx_ring_ref);
 /* Check for SKBs from frontend and schedule backend processing */
-void xenvif_check_rx_xenvif(struct xenvif *vif);
+void xenvif_napi_schedule_or_enable_events(struct xenvif *vif);
 /* Prevent the device from generating any further traffic. */
 void xenvif_carrier_off(struct xenvif *vif);
diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index ef05c5c49d41..20e9defa1060 100644
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -75,32 +75,8 @@ static int xenvif_poll(struct napi_struct *napi, int budget)
        work_done = xenvif_tx_action(vif, budget);
        if (work_done < budget) {
-                int more_to_do = 0;
+                napi_complete(napi);
-                unsigned long flags;
+                xenvif_napi_schedule_or_enable_events(vif);
-                /* It is necessary to disable IRQ before calling
-                 * RING_HAS_UNCONSUMED_REQUESTS. Otherwise we might
-                 * lose event from the frontend.
-                 *
-                 * Consider:
-                 *   RING_HAS_UNCONSUMED_REQUESTS
-                 *   <frontend generates event to trigger napi_schedule>
-                 *   __napi_complete
-                 *
-                 * This handler is still in scheduled state so the
-                 * event has no effect at all. After __napi_complete
-                 * this handler is descheduled and cannot get
-                 * scheduled again. We lose event in this case and the ring
-                 * will be completely stalled.
-                 */
-                local_irq_save(flags);
-                RING_FINAL_CHECK_FOR_REQUESTS(&vif->tx, more_to_do);
-                if (!more_to_do)
-                        __napi_complete(napi);
-                local_irq_restore(flags);
        }
        return work_done;
@@ -194,7 +170,7 @@ static void xenvif_up(struct xenvif *vif)
        enable_irq(vif->tx_irq);
        if (vif->tx_irq != vif->rx_irq)
                enable_irq(vif->rx_irq);
-        xenvif_check_rx_xenvif(vif);
+        xenvif_napi_schedule_or_enable_events(vif);
 }
 static void xenvif_down(struct xenvif *vif)
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 76665405c5aa..7367208ee8cd 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -104,7 +104,7 @@ static inline unsigned long idx_to_kaddr(struct xenvif *vif,
 /* Find the containing VIF's structure from a pointer in pending_tx_info array
 */
-static inline struct xenvif* ubuf_to_vif(struct ubuf_info *ubuf)
+static inline struct xenvif *ubuf_to_vif(const struct ubuf_info *ubuf)
 {
        u16 pending_idx = ubuf->desc;
        struct pending_tx_info *temp =
@@ -323,6 +323,35 @@ static void xenvif_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
 }
 /*
+ * Find the grant ref for a given frag in a chain of struct ubuf_info's
+ * skb: the skb itself
+ * i: the frag's number
+ * ubuf: a pointer to an element in the chain. It should not be NULL
+ *
+ * Returns a pointer to the element in the chain where the page were found. If
+ * not found, returns NULL.
+ * See the definition of callback_struct in common.h for more details about
+ * the chain.
+ */
+static const struct ubuf_info *xenvif_find_gref(const struct sk_buff *const skb,
+                                                const int i,
+                                                const struct ubuf_info *ubuf)
+{
+        struct xenvif *foreign_vif = ubuf_to_vif(ubuf);
+        do {
+                u16 pending_idx = ubuf->desc;
+                if (skb_shinfo(skb)->frags[i].page.p ==
+                    foreign_vif->mmap_pages[pending_idx])
+                        break;
+                ubuf = (struct ubuf_info *) ubuf->ctx;
+        } while (ubuf);
+        return ubuf;
+}
+/*
 * Prepare an SKB to be transmitted to the frontend.
 *
 * This function is responsible for allocating grant operations, meta
@@ -346,9 +375,8 @@ static int xenvif_gop_skb(struct sk_buff *skb,
        int head = 1;
        int old_meta_prod;
        int gso_type;
-        struct ubuf_info *ubuf = skb_shinfo(skb)->destructor_arg;
+        const struct ubuf_info *ubuf = skb_shinfo(skb)->destructor_arg;
-        grant_ref_t foreign_grefs[MAX_SKB_FRAGS];
+        const struct ubuf_info *const head_ubuf = ubuf;
-        struct xenvif *foreign_vif = NULL;
        old_meta_prod = npo->meta_prod;
@@ -386,19 +414,6 @@ static int xenvif_gop_skb(struct sk_buff *skb,
        npo->copy_off = 0;
        npo->copy_gref = req->gref;
-        if ((skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) &&
-                 (ubuf->callback == &xenvif_zerocopy_callback)) {
-                int i = 0;
-                foreign_vif = ubuf_to_vif(ubuf);
-                do {
-                        u16 pending_idx = ubuf->desc;
-                        foreign_grefs[i++] =
-                                foreign_vif->pending_tx_info[pending_idx].req.gref;
-                        ubuf = (struct ubuf_info *) ubuf->ctx;
-                } while (ubuf);
-        }
        data = skb->data;
        while (data < skb_tail_pointer(skb)) {
                unsigned int offset = offset_in_page(data);
@@ -415,13 +430,60 @@ static int xenvif_gop_skb(struct sk_buff *skb,
        }
        for (i = 0; i < nr_frags; i++) {
+                /* This variable also signals whether foreign_gref has a real
+                 * value or not.
+                 */
+                struct xenvif *foreign_vif = NULL;
+                grant_ref_t foreign_gref;
+                if ((skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) &&
+                        (ubuf->callback == &xenvif_zerocopy_callback)) {
+                        const struct ubuf_info *const startpoint = ubuf;
+                        /* Ideally ubuf points to the chain element which
+                         * belongs to this frag. Or if frags were removed from
+                         * the beginning, then shortly before it.
+                         */
+                        ubuf = xenvif_find_gref(skb, i, ubuf);
+                        /* Try again from the beginning of the list, if we
+                         * haven't tried from there. This only makes sense in
+                         * the unlikely event of reordering the original frags.
+                         * For injected local pages it's an unnecessary second
+                         * run.
+                         */
+                        if (unlikely(!ubuf) && startpoint != head_ubuf)
+                                ubuf = xenvif_find_gref(skb, i, head_ubuf);
+                        if (likely(ubuf)) {
+                                u16 pending_idx = ubuf->desc;
+                                foreign_vif = ubuf_to_vif(ubuf);
+                                foreign_gref = foreign_vif->pending_tx_info[pending_idx].req.gref;
+                                /* Just a safety measure. If this was the last
+                                 * element on the list, the for loop will
+                                 * iterate again if a local page were added to
+                                 * the end. Using head_ubuf here prevents the
+                                 * second search on the chain. Or the original
+                                 * frags changed order, but that's less likely.
+                                 * In any way, ubuf shouldn't be NULL.
+                                 */
+                                ubuf = ubuf->ctx ?
+                                        (struct ubuf_info *) ubuf->ctx :
+                                        head_ubuf;
+                        } else
+                                /* This frag was a local page, added to the
+                                 * array after the skb left netback.
+                                 */
+                                ubuf = head_ubuf;
+                }
                xenvif_gop_frag_copy(vif, skb, npo,
                                     skb_frag_page(&skb_shinfo(skb)->frags[i]),
                                     skb_frag_size(&skb_shinfo(skb)->frags[i]),
                                     skb_shinfo(skb)->frags[i].page_offset,
                                     &head,
                                     foreign_vif,
-                                     foreign_grefs[i]);
+                                     foreign_vif ? foreign_gref : UINT_MAX);
        }
        return npo->meta_prod - old_meta_prod;
@@ -654,7 +716,7 @@ done:
                notify_remote_via_irq(vif->rx_irq);
 }
-void xenvif_check_rx_xenvif(struct xenvif *vif)
+void xenvif_napi_schedule_or_enable_events(struct xenvif *vif)
 {
        int more_to_do;
@@ -688,7 +750,7 @@ static void tx_credit_callback(unsigned long data)
 {
        struct xenvif *vif = (struct xenvif *)data;
        tx_add_credit(vif);
-        xenvif_check_rx_xenvif(vif);
+        xenvif_napi_schedule_or_enable_events(vif);
 }
 static void xenvif_tx_err(struct xenvif *vif,
diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig
index 6963bdf54175..6aea373547f6 100644
--- a/drivers/ptp/Kconfig
+++ b/drivers/ptp/Kconfig
@@ -6,6 +6,7 @@ menu "PTP clock support"
 config PTP_1588_CLOCK
        tristate "PTP clock support"
+        depends on NET
        select PPS
        select NET_PTP_CLASSIFY
        help
@@ -74,7 +75,7 @@ config DP83640_PHY
 config PTP_1588_CLOCK_PCH
        tristate "Intel PCH EG20T as PTP clock"
        depends on X86 || COMPILE_TEST
-        depends on HAS_IOMEM
+        depends on HAS_IOMEM && NET
        select PTP_1588_CLOCK
        help
          This driver adds support for using the PCH EG20T as a PTP
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 7c8b20b120ea..a9a53b12397b 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -56,6 +56,7 @@ struct macvlan_dev {
        int                     numqueues;
        netdev_features_t       tap_features;
        int                     minor;
+        int                     nest_level;
 };
 static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 13bbbde00e68..b2acc4a1b13c 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
-static inline int is_vlan_dev(struct net_device *dev)
+static inline bool is_vlan_dev(struct net_device *dev)
 {
        return dev->priv_flags & IFF_802_1Q_VLAN;
 }
@@ -159,6 +159,7 @@ struct vlan_dev_priv {
 #ifdef CONFIG_NET_POLL_CONTROLLER
        struct netpoll                          *netpoll;
 #endif
+        unsigned int                            nest_level;
 };
 static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
@@ -197,6 +198,12 @@ extern void vlan_vids_del_by_dev(struct net_device *dev,
                                 const struct net_device *by_dev);
 extern bool vlan_uses_dev(const struct net_device *dev);
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+        BUG_ON(!is_vlan_dev(dev));
+        return vlan_dev_priv(dev)->nest_level;
+}
 #else
 static inline struct net_device *
 __vlan_find_dev_deep(struct net_device *real_dev,
@@ -263,6 +270,11 @@ static inline bool vlan_uses_dev(const struct net_device *dev)
 {
        return false;
 }
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+        BUG();
+        return 0;
+}
 #endif
 static inline bool vlan_hw_offload_capable(netdev_features_t features,
@@ -483,4 +495,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
                 */
                skb->protocol = htons(ETH_P_802_2);
 }
 #endif /* !(_LINUX_IF_VLAN_H_) */
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index b66e7610d4ee..7040dc98ff8b 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -421,6 +421,17 @@ struct mlx4_wqe_inline_seg {
        __be32                  byte_count;
 };
+enum mlx4_update_qp_attr {
+        MLX4_UPDATE_QP_SMAC             = 1 << 0,
+};
+struct mlx4_update_qp_params {
+        u8      smac_index;
+};
+int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
+                   enum mlx4_update_qp_attr attr,
+                   struct mlx4_update_qp_params *params);
 int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
                   enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
                   struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
diff --git a/include/linux/net.h b/include/linux/net.h
index 94734a6259a4..17d83393afcc 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -248,24 +248,17 @@ do {								\
 bool __net_get_random_once(void *buf, int nbytes, bool *done,
                           struct static_key *done_key);
-#ifdef HAVE_JUMP_LABEL
-#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \
-                { .enabled = ATOMIC_INIT(0), .entries = (void *)1 })
-#else /* !HAVE_JUMP_LABEL */
-#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
-#endif /* HAVE_JUMP_LABEL */
 #define net_get_random_once(buf, nbytes)                                \
        ({                                                              \
                bool ___ret = false;                                    \
                static bool ___done = false;                            \
-                static struct static_key ___done_key =                  \
+                static struct static_key ___once_key =                  \
-                        ___NET_RANDOM_STATIC_KEY_INIT;                  \
+                        STATIC_KEY_INIT_TRUE;                           \
-                if (!static_key_true(&___done_key))                     \
+                if (static_key_true(&___once_key))                      \
                        ___ret = __net_get_random_once(buf,             \
                                                       nbytes,          \
                                                       &___done,        \
-                                                       &___done_key);   \
+                                                       &___once_key);   \
                ___ret;                                                 \
        })
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7ed3a3aa6604..b42d07b0390b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1144,6 +1144,7 @@ struct net_device_ops {
        netdev_tx_t             (*ndo_dfwd_start_xmit) (struct sk_buff *skb,
                                                        struct net_device *dev,
                                                        void *priv);
+        int                     (*ndo_get_lock_subclass)(struct net_device *dev);
 };
 /**
@@ -2950,7 +2951,12 @@ static inline void netif_addr_lock(struct net_device *dev)
 static inline void netif_addr_lock_nested(struct net_device *dev)
 {
-        spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING);
+        int subclass = SINGLE_DEPTH_NESTING;
+        if (dev->netdev_ops->ndo_get_lock_subclass)
+                subclass = dev->netdev_ops->ndo_get_lock_subclass(dev);
+        spin_lock_nested(&dev->addr_list_lock, subclass);
 }
 static inline void netif_addr_lock_bh(struct net_device *dev)
@@ -3050,10 +3056,19 @@ extern int		weight_p;
 extern int              bpf_jit_enable;
 bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev);
+struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
+                                                     struct list_head **iter);
 struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
                                                     struct list_head **iter);
 /* iterate through upper list, must be called under RCU read lock */
+#define netdev_for_each_upper_dev_rcu(dev, updev, iter) \
+        for (iter = &(dev)->adj_list.upper, \
+             updev = netdev_upper_get_next_dev_rcu(dev, &(iter)); \
+             updev; \
+             updev = netdev_upper_get_next_dev_rcu(dev, &(iter)))
+/* iterate through upper list, must be called under RCU read lock */
 #define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \
        for (iter = &(dev)->all_adj_list.upper, \
             updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)); \
@@ -3077,6 +3092,14 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
             priv; \
             priv = netdev_lower_get_next_private_rcu(dev, &(iter)))
+void *netdev_lower_get_next(struct net_device *dev,
+                                struct list_head **iter);
+#define netdev_for_each_lower_dev(dev, ldev, iter) \
+        for (iter = &(dev)->adj_list.lower, \
+             ldev = netdev_lower_get_next(dev, &(iter)); \
+             ldev; \
+             ldev = netdev_lower_get_next(dev, &(iter)))
 void *netdev_adjacent_get_private(struct list_head *adj_list);
 void *netdev_lower_get_first_private_rcu(struct net_device *dev);
 struct net_device *netdev_master_upper_dev_get(struct net_device *dev);
@@ -3092,6 +3115,8 @@ void netdev_upper_dev_unlink(struct net_device *dev,
 void netdev_adjacent_rename_links(struct net_device *dev, char *oldname);
 void *netdev_lower_dev_get_private(struct net_device *dev,
                                   struct net_device *lower_dev);
+int dev_get_nest_level(struct net_device *dev,
+                       bool (*type_check)(struct net_device *dev));
 int skb_checksum_help(struct sk_buff *skb);
 struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
                                  netdev_features_t features, bool tx_path);
@@ -3180,12 +3205,7 @@ void netdev_change_features(struct net_device *dev);
 void netif_stacked_transfer_operstate(const struct net_device *rootdev,
                                        struct net_device *dev);
-netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
+netdev_features_t netif_skb_features(struct sk_buff *skb);
-                                         const struct net_device *dev);
-static inline netdev_features_t netif_skb_features(struct sk_buff *skb)
-{
-        return netif_skb_dev_features(skb, skb->dev);
-}
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 6fe8464ed767..881a7c3571f4 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -31,7 +31,12 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
 #else /* CONFIG_OF */
 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 {
-        return -ENOSYS;
+        /*
+         * Fall back to the non-DT function to register a bus.
+         * This way, we don't have to keep compat bits around in drivers.
+         */
+        return mdiobus_register(mdio);
 }
 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 8e3e66ac0a52..953937ea5233 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -4,6 +4,7 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
+#include <linux/wait.h>
 #include <uapi/linux/rtnetlink.h>
 extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
@@ -22,6 +23,10 @@ extern void rtnl_lock(void);
 extern void rtnl_unlock(void);
 extern int rtnl_trylock(void);
 extern int rtnl_is_locked(void);
+extern wait_queue_head_t netdev_unregistering_wq;
+extern struct mutex net_mutex;
 #ifdef CONFIG_PROVE_LOCKING
 extern int lockdep_rtnl_is_held(void);
 #else
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f3539a15c411..f856e5a746fa 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3669,6 +3669,18 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
 void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
 /**
+ * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
+ *
+ * @wiphy: the wiphy on which the scheduled scan stopped
+ *
+ * The driver can call this function to inform cfg80211 that the
+ * scheduled scan had to be stopped, for whatever reason.  The driver
+ * is then called back via the sched_scan_stop operation when done.
+ * This function should be called with rtnl locked.
+ */
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
+/**
 * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
 *
 * @wiphy: the wiphy reporting the BSS
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 6c4f5eac98e7..216cecce65e9 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -127,6 +127,7 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg);
 void rt6_ifdown(struct net *net, struct net_device *dev);
 void rt6_mtu_change(struct net_device *dev, unsigned int mtu);
 void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
+void rt6_clean_tohost(struct net *net, struct in6_addr *gateway);
 /*
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 80f500a29498..b2704fd0ec80 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -20,6 +20,11 @@ struct local_ports {
        int             range[2];
 };
+struct ping_group_range {
+        seqlock_t       lock;
+        kgid_t          range[2];
+};
 struct netns_ipv4 {
 #ifdef CONFIG_SYSCTL
        struct ctl_table_header *forw_hdr;
@@ -66,13 +71,13 @@ struct netns_ipv4 {
        int sysctl_icmp_ratemask;
        int sysctl_icmp_errors_use_inbound_ifaddr;
-        struct local_ports sysctl_local_ports;
+        struct local_ports ip_local_ports;
        int sysctl_tcp_ecn;
        int sysctl_ip_no_pmtu_disc;
        int sysctl_ip_fwd_use_pmtu;
-        kgid_t sysctl_ping_group_range[2];
+        struct ping_group_range ping_group_range;
        atomic_t dev_addr_genid;
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1ba9d626aa83..194c1eab04d8 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3856,6 +3856,8 @@ enum nl80211_ap_sme_features {
 * @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
 *      to work properly to suppport receiving regulatory hints from
 *      cellular base stations.
+ * @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: (no longer available, only
+ *      here to reserve the value for API/ABI compatibility)
 * @NL80211_FEATURE_SAE: This driver supports simultaneous authentication of
 *      equals (SAE) with user space SME (NL80211_CMD_AUTHENTICATE) in station
 *      mode
@@ -3897,7 +3899,7 @@ enum nl80211_feature_flags {
        NL80211_FEATURE_HT_IBSS                         = 1 << 1,
        NL80211_FEATURE_INACTIVITY_TIMER                = 1 << 2,
        NL80211_FEATURE_CELL_BASE_REG_HINTS             = 1 << 3,
-        /* bit 4 is reserved - don't use */
+        NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL        = 1 << 4,
        NL80211_FEATURE_SAE                             = 1 << 5,
        NL80211_FEATURE_LOW_PRIORITY_SCAN               = 1 << 6,
        NL80211_FEATURE_SCAN_FLUSH                      = 1 << 7,
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 175273f38cb1..44ebd5c2cd4a 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -169,6 +169,7 @@ int register_vlan_dev(struct net_device *dev)
        if (err < 0)
                goto out_uninit_mvrp;
+        vlan->nest_level = dev_get_nest_level(real_dev, is_vlan_dev) + 1;
        err = register_netdevice(dev);
        if (err < 0)
                goto out_uninit_mvrp;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 733ec283ed1b..019efb79708f 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -493,48 +493,10 @@ static void vlan_dev_change_rx_flags(struct net_device *dev, int change)
        }
 }
-static int vlan_calculate_locking_subclass(struct net_device *real_dev)
-{
-        int subclass = 0;
-        while (is_vlan_dev(real_dev)) {
-                subclass++;
-                real_dev = vlan_dev_priv(real_dev)->real_dev;
-        }
-        return subclass;
-}
-static void vlan_dev_mc_sync(struct net_device *to, struct net_device *from)
-{
-        int err = 0, subclass;
-        subclass = vlan_calculate_locking_subclass(to);
-        spin_lock_nested(&to->addr_list_lock, subclass);
-        err = __hw_addr_sync(&to->mc, &from->mc, to->addr_len);
-        if (!err)
-                __dev_set_rx_mode(to);
-        spin_unlock(&to->addr_list_lock);
-}
-static void vlan_dev_uc_sync(struct net_device *to, struct net_device *from)
-{
-        int err = 0, subclass;
-        subclass = vlan_calculate_locking_subclass(to);
-        spin_lock_nested(&to->addr_list_lock, subclass);
-        err = __hw_addr_sync(&to->uc, &from->uc, to->addr_len);
-        if (!err)
-                __dev_set_rx_mode(to);
-        spin_unlock(&to->addr_list_lock);
-}
 static void vlan_dev_set_rx_mode(struct net_device *vlan_dev)
 {
-        vlan_dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
+        dev_mc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
-        vlan_dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
+        dev_uc_sync(vlan_dev_priv(vlan_dev)->real_dev, vlan_dev);
 }
 /*
@@ -562,6 +524,11 @@ static void vlan_dev_set_lockdep_class(struct net_device *dev, int subclass)
        netdev_for_each_tx_queue(dev, vlan_dev_set_lockdep_one, &subclass);
 }
+static int vlan_dev_get_lock_subclass(struct net_device *dev)
+{
+        return vlan_dev_priv(dev)->nest_level;
+}
 static const struct header_ops vlan_header_ops = {
        .create  = vlan_dev_hard_header,
        .rebuild = vlan_dev_rebuild_header,
@@ -597,7 +564,6 @@ static const struct net_device_ops vlan_netdev_ops;
 static int vlan_dev_init(struct net_device *dev)
 {
        struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
-        int subclass = 0;
        netif_carrier_off(dev);
@@ -646,8 +612,7 @@ static int vlan_dev_init(struct net_device *dev)
        SET_NETDEV_DEVTYPE(dev, &vlan_type);
-        subclass = vlan_calculate_locking_subclass(dev);
+        vlan_dev_set_lockdep_class(dev, vlan_dev_get_lock_subclass(dev));
-        vlan_dev_set_lockdep_class(dev, subclass);
        vlan_dev_priv(dev)->vlan_pcpu_stats = netdev_alloc_pcpu_stats(struct vlan_pcpu_stats);
        if (!vlan_dev_priv(dev)->vlan_pcpu_stats)
@@ -819,6 +784,7 @@ static const struct net_device_ops vlan_netdev_ops = {
        .ndo_netpoll_cleanup    = vlan_dev_netpoll_cleanup,
 #endif
        .ndo_fix_features       = vlan_dev_fix_features,
+        .ndo_get_lock_subclass  = vlan_dev_get_lock_subclass,
 };
 void vlan_setup(struct net_device *dev)
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index b3bd4ec3fd94..f04224c32005 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -1545,6 +1545,8 @@ out_neigh:
        if ((orig_neigh_node) && (!is_single_hop_neigh))
                batadv_orig_node_free_ref(orig_neigh_node);
 out:
+        if (router_ifinfo)
+                batadv_neigh_ifinfo_free_ref(router_ifinfo);
        if (router)
                batadv_neigh_node_free_ref(router);
        if (router_router)
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index b25fd64d727b..aa5d4946d0d7 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -940,8 +940,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
                 * additional DAT answer may trigger kernel warnings about
                 * a packet coming from the wrong port.
                 */
-                if (batadv_is_my_client(bat_priv, dat_entry->mac_addr,
+                if (batadv_is_my_client(bat_priv, dat_entry->mac_addr, vid)) {
-                                        BATADV_NO_FLAGS)) {
                        ret = true;
                        goto out;
                }
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index bcc4bea632fa..f14e54a05691 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -418,12 +418,13 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
                             struct batadv_neigh_node *neigh_node)
 {
        struct batadv_priv *bat_priv;
-        struct batadv_hard_iface *primary_if;
+        struct batadv_hard_iface *primary_if = NULL;
        struct batadv_frag_packet frag_header;
        struct sk_buff *skb_fragment;
        unsigned mtu = neigh_node->if_incoming->net_dev->mtu;
        unsigned header_size = sizeof(frag_header);
        unsigned max_fragment_size, max_packet_size;
+        bool ret = false;
        /* To avoid merge and refragmentation at next-hops we never send
         * fragments larger than BATADV_FRAG_MAX_FRAG_SIZE
@@ -483,7 +484,11 @@ bool batadv_frag_send_packet(struct sk_buff *skb,
                           skb->len + ETH_HLEN);
        batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
-        return true;
+        ret = true;
 out_err:
-        return false;
+        if (primary_if)
+                batadv_hardif_free_ref(primary_if);
+        return ret;
 }
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index c835e137423b..90cff585b37d 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -42,8 +42,10 @@
 static void batadv_gw_node_free_ref(struct batadv_gw_node *gw_node)
 {
-        if (atomic_dec_and_test(&gw_node->refcount))
+        if (atomic_dec_and_test(&gw_node->refcount)) {
+                batadv_orig_node_free_ref(gw_node->orig_node);
                kfree_rcu(gw_node, rcu);
+        }
 }
 static struct batadv_gw_node *
@@ -406,9 +408,14 @@ static void batadv_gw_node_add(struct batadv_priv *bat_priv,
        if (gateway->bandwidth_down == 0)
                return;
+        if (!atomic_inc_not_zero(&orig_node->refcount))
+                return;
        gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
-        if (!gw_node)
+        if (!gw_node) {
+                batadv_orig_node_free_ref(orig_node);
                return;
+        }
        INIT_HLIST_NODE(&gw_node->list);
        gw_node->orig_node = orig_node;
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index b851cc580853..fbda6b54baff 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -83,7 +83,7 @@ static bool batadv_is_on_batman_iface(const struct net_device *net_dev)
                return true;
        /* no more parents..stop recursion */
-        if (net_dev->iflink == net_dev->ifindex)
+        if (net_dev->iflink == 0 || net_dev->iflink == net_dev->ifindex)
                return false;
        /* recurse over the parent device */
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index ffd9dfbd9b0e..6a484514cd3e 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -501,12 +501,17 @@ batadv_neigh_node_get(const struct batadv_orig_node *orig_node,
 static void batadv_orig_ifinfo_free_rcu(struct rcu_head *rcu)
 {
        struct batadv_orig_ifinfo *orig_ifinfo;
+        struct batadv_neigh_node *router;
        orig_ifinfo = container_of(rcu, struct batadv_orig_ifinfo, rcu);
        if (orig_ifinfo->if_outgoing != BATADV_IF_DEFAULT)
                batadv_hardif_free_ref_now(orig_ifinfo->if_outgoing);
+        /* this is the last reference to this object */
+        router = rcu_dereference_protected(orig_ifinfo->router, true);
+        if (router)
+                batadv_neigh_node_free_ref_now(router);
        kfree(orig_ifinfo);
 }
@@ -702,6 +707,47 @@ free_orig_node:
 }
 /**
+ * batadv_purge_neigh_ifinfo - purge obsolete ifinfo entries from neighbor
+ * @bat_priv: the bat priv with all the soft interface information
+ * @neigh: orig node which is to be checked
+ */
+static void
+batadv_purge_neigh_ifinfo(struct batadv_priv *bat_priv,
+                          struct batadv_neigh_node *neigh)
+{
+        struct batadv_neigh_ifinfo *neigh_ifinfo;
+        struct batadv_hard_iface *if_outgoing;
+        struct hlist_node *node_tmp;
+        spin_lock_bh(&neigh->ifinfo_lock);
+        /* for all ifinfo objects for this neighinator */
+        hlist_for_each_entry_safe(neigh_ifinfo, node_tmp,
+                                  &neigh->ifinfo_list, list) {
+                if_outgoing = neigh_ifinfo->if_outgoing;
+                /* always keep the default interface */
+                if (if_outgoing == BATADV_IF_DEFAULT)
+                        continue;
+                /* don't purge if the interface is not (going) down */
+                if ((if_outgoing->if_status != BATADV_IF_INACTIVE) &&
+                    (if_outgoing->if_status != BATADV_IF_NOT_IN_USE) &&
+                    (if_outgoing->if_status != BATADV_IF_TO_BE_REMOVED))
+                        continue;
+                batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
+                           "neighbor/ifinfo purge: neighbor %pM, iface: %s\n",
+                           neigh->addr, if_outgoing->net_dev->name);
+                hlist_del_rcu(&neigh_ifinfo->list);
+                batadv_neigh_ifinfo_free_ref(neigh_ifinfo);
+        }
+        spin_unlock_bh(&neigh->ifinfo_lock);
+}
+/**
 * batadv_purge_orig_ifinfo - purge obsolete ifinfo entries from originator
 * @bat_priv: the bat priv with all the soft interface information
 * @orig_node: orig node which is to be checked
@@ -800,6 +846,11 @@ batadv_purge_orig_neighbors(struct batadv_priv *bat_priv,
                        hlist_del_rcu(&neigh_node->list);
                        batadv_neigh_node_free_ref(neigh_node);
+                } else {
+                        /* only necessary if not the whole neighbor is to be
+                         * deleted, but some interface has been removed.
+                         */
+                        batadv_purge_neigh_ifinfo(bat_priv, neigh_node);
                }
        }
@@ -857,7 +908,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
 {
        struct batadv_neigh_node *best_neigh_node;
        struct batadv_hard_iface *hard_iface;
-        bool changed;
+        bool changed_ifinfo, changed_neigh;
        if (batadv_has_timed_out(orig_node->last_seen,
                                 2 * BATADV_PURGE_TIMEOUT)) {
@@ -867,10 +918,10 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
                           jiffies_to_msecs(orig_node->last_seen));
                return true;
        }
-        changed = batadv_purge_orig_ifinfo(bat_priv, orig_node);
+        changed_ifinfo = batadv_purge_orig_ifinfo(bat_priv, orig_node);
-        changed = changed || batadv_purge_orig_neighbors(bat_priv, orig_node);
+        changed_neigh = batadv_purge_orig_neighbors(bat_priv, orig_node);
-        if (!changed)
+        if (!changed_ifinfo && !changed_neigh)
                return false;
        /* first for NULL ... */
@@ -1028,7 +1079,8 @@ int batadv_orig_hardif_seq_print_text(struct seq_file *seq, void *offset)
        bat_priv->bat_algo_ops->bat_orig_print(bat_priv, seq, hard_iface);
 out:
-        batadv_hardif_free_ref(hard_iface);
+        if (hard_iface)
+                batadv_hardif_free_ref(hard_iface);
        return 0;
 }
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 80e1b0f60a30..2acf7fa1fec6 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -859,12 +859,12 @@ static unsigned int br_nf_forward_arp(const struct nf_hook_ops *ops,
        return NF_STOLEN;
 }
-#if IS_ENABLED(CONFIG_NF_CONNTRACK_IPV4)
+#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4)
 static int br_nf_dev_queue_xmit(struct sk_buff *skb)
 {
        int ret;
-        if (skb->nfct != NULL && skb->protocol == htons(ETH_P_IP) &&
+        if (skb->protocol == htons(ETH_P_IP) &&
            skb->len + nf_bridge_mtu_reduction(skb) > skb->dev->mtu &&
            !skb_is_gso(skb)) {
                if (br_parse_ip_options(skb))
diff --git a/net/core/dev.c b/net/core/dev.c
index d2c8a06b3a98..9abc503b19b7 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2418,7 +2418,7 @@ EXPORT_SYMBOL(netdev_rx_csum_fault);
 * 2. No high memory really exists on this machine.
 */
-static int illegal_highdma(const struct net_device *dev, struct sk_buff *skb)
+static int illegal_highdma(struct net_device *dev, struct sk_buff *skb)
 {
 #ifdef CONFIG_HIGHMEM
        int i;
@@ -2493,38 +2493,36 @@ static int dev_gso_segment(struct sk_buff *skb, netdev_features_t features)
 }
 static netdev_features_t harmonize_features(struct sk_buff *skb,
-                                            const struct net_device *dev,
+        netdev_features_t features)
-                                            netdev_features_t features)
 {
        int tmp;
        if (skb->ip_summed != CHECKSUM_NONE &&
            !can_checksum_protocol(features, skb_network_protocol(skb, &tmp))) {
                features &= ~NETIF_F_ALL_CSUM;
-        } else if (illegal_highdma(dev, skb)) {
+        } else if (illegal_highdma(skb->dev, skb)) {
                features &= ~NETIF_F_SG;
        }
        return features;
 }
-netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
+netdev_features_t netif_skb_features(struct sk_buff *skb)
-                                         const struct net_device *dev)
 {
        __be16 protocol = skb->protocol;
-        netdev_features_t features = dev->features;
+        netdev_features_t features = skb->dev->features;
-        if (skb_shinfo(skb)->gso_segs > dev->gso_max_segs)
+        if (skb_shinfo(skb)->gso_segs > skb->dev->gso_max_segs)
                features &= ~NETIF_F_GSO_MASK;
        if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD)) {
                struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data;
                protocol = veh->h_vlan_encapsulated_proto;
        } else if (!vlan_tx_tag_present(skb)) {
-                return harmonize_features(skb, dev, features);
+                return harmonize_features(skb, features);
        }
-        features &= (dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
+        features &= (skb->dev->vlan_features | NETIF_F_HW_VLAN_CTAG_TX |
                                               NETIF_F_HW_VLAN_STAG_TX);
        if (protocol == htons(ETH_P_8021Q) || protocol == htons(ETH_P_8021AD))
@@ -2532,9 +2530,9 @@ netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
                                NETIF_F_GEN_CSUM | NETIF_F_HW_VLAN_CTAG_TX |
                                NETIF_F_HW_VLAN_STAG_TX;
-        return harmonize_features(skb, dev, features);
+        return harmonize_features(skb, features);
 }
-EXPORT_SYMBOL(netif_skb_dev_features);
+EXPORT_SYMBOL(netif_skb_features);
 int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
                        struct netdev_queue *txq)
@@ -3953,6 +3951,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
        }
        NAPI_GRO_CB(skb)->count = 1;
        NAPI_GRO_CB(skb)->age = jiffies;
+        NAPI_GRO_CB(skb)->last = skb;
        skb_shinfo(skb)->gso_size = skb_gro_len(skb);
        skb->next = napi->gro_list;
        napi->gro_list = skb;
@@ -4543,6 +4542,32 @@ void *netdev_adjacent_get_private(struct list_head *adj_list)
 EXPORT_SYMBOL(netdev_adjacent_get_private);
 /**
+ * netdev_upper_get_next_dev_rcu - Get the next dev from upper list
+ * @dev: device
+ * @iter: list_head ** of the current position
+ *
+ * Gets the next device from the dev's upper list, starting from iter
+ * position. The caller must hold RCU read lock.
+ */
+struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
+                                                 struct list_head **iter)
+{
+        struct netdev_adjacent *upper;
+        WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held());
+        upper = list_entry_rcu((*iter)->next, struct netdev_adjacent, list);
+        if (&upper->list == &dev->adj_list.upper)
+                return NULL;
+        *iter = &upper->list;
+        return upper->dev;
+}
+EXPORT_SYMBOL(netdev_upper_get_next_dev_rcu);
+/**
 * netdev_all_upper_get_next_dev_rcu - Get the next dev from upper list
 * @dev: device
 * @iter: list_head ** of the current position
@@ -4624,6 +4649,32 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
 EXPORT_SYMBOL(netdev_lower_get_next_private_rcu);
 /**
+ * netdev_lower_get_next - Get the next device from the lower neighbour
+ *                         list
+ * @dev: device
+ * @iter: list_head ** of the current position
+ *
+ * Gets the next netdev_adjacent from the dev's lower neighbour
+ * list, starting from iter position. The caller must hold RTNL lock or
+ * its own locking that guarantees that the neighbour lower
+ * list will remain unchainged.
+ */
+void *netdev_lower_get_next(struct net_device *dev, struct list_head **iter)
+{
+        struct netdev_adjacent *lower;
+        lower = list_entry((*iter)->next, struct netdev_adjacent, list);
+        if (&lower->list == &dev->adj_list.lower)
+                return NULL;
+        *iter = &lower->list;
+        return lower->dev;
+}
+EXPORT_SYMBOL(netdev_lower_get_next);
+/**
 * netdev_lower_get_first_private_rcu - Get the first ->private from the
 *                                     lower neighbour list, RCU
 *                                     variant
@@ -5073,6 +5124,30 @@ void *netdev_lower_dev_get_private(struct net_device *dev,
 }
 EXPORT_SYMBOL(netdev_lower_dev_get_private);
+int dev_get_nest_level(struct net_device *dev,
+                       bool (*type_check)(struct net_device *dev))
+{
+        struct net_device *lower = NULL;
+        struct list_head *iter;
+        int max_nest = -1;
+        int nest;
+        ASSERT_RTNL();
+        netdev_for_each_lower_dev(dev, lower, iter) {
+                nest = dev_get_nest_level(lower, type_check);
+                if (max_nest < nest)
+                        max_nest = nest;
+        }
+        if (type_check(dev))
+                max_nest++;
+        return max_nest;
+}
+EXPORT_SYMBOL(dev_get_nest_level);
 static void dev_change_rx_flags(struct net_device *dev, int flags)
 {
        const struct net_device_ops *ops = dev->netdev_ops;
@@ -5238,7 +5313,6 @@ void __dev_set_rx_mode(struct net_device *dev)
        if (ops->ndo_set_rx_mode)
                ops->ndo_set_rx_mode(dev);
 }
-EXPORT_SYMBOL(__dev_set_rx_mode);
 void dev_set_rx_mode(struct net_device *dev)
 {
@@ -5543,7 +5617,7 @@ static int dev_new_index(struct net *net)
 /* Delayed registration/unregisteration */
 static LIST_HEAD(net_todo_list);
-static DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq);
+DECLARE_WAIT_QUEUE_HEAD(netdev_unregistering_wq);
 static void net_set_todo(struct net_device *dev)
 {
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 8f8a96ef9f3f..32d872eec7f5 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -1248,8 +1248,8 @@ void __neigh_set_probe_once(struct neighbour *neigh)
        neigh->updated = jiffies;
        if (!(neigh->nud_state & NUD_FAILED))
                return;
-        neigh->nud_state = NUD_PROBE;
+        neigh->nud_state = NUD_INCOMPLETE;
-        atomic_set(&neigh->probes, NEIGH_VAR(neigh->parms, UCAST_PROBES));
+        atomic_set(&neigh->probes, neigh_max_probes(neigh));
        neigh_add_timer(neigh,
                        jiffies + NEIGH_VAR(neigh->parms, RETRANS_TIME));
 }
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 81d3a9a08453..7c8ffd974961 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -24,7 +24,7 @@
 static LIST_HEAD(pernet_list);
 static struct list_head *first_device = &pernet_list;
-static DEFINE_MUTEX(net_mutex);
+DEFINE_MUTEX(net_mutex);
 LIST_HEAD(net_namespace_list);
 EXPORT_SYMBOL_GPL(net_namespace_list);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9837bebf93ce..2d8d8fcfa060 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -353,15 +353,46 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops)
 }
 EXPORT_SYMBOL_GPL(__rtnl_link_unregister);
+/* Return with the rtnl_lock held when there are no network
+ * devices unregistering in any network namespace.
+ */
+static void rtnl_lock_unregistering_all(void)
+{
+        struct net *net;
+        bool unregistering;
+        DEFINE_WAIT(wait);
+        for (;;) {
+                prepare_to_wait(&netdev_unregistering_wq, &wait,
+                                TASK_UNINTERRUPTIBLE);
+                unregistering = false;
+                rtnl_lock();
+                for_each_net(net) {
+                        if (net->dev_unreg_count > 0) {
+                                unregistering = true;
+                                break;
+                        }
+                }
+                if (!unregistering)
+                        break;
+                __rtnl_unlock();
+                schedule();
+        }
+        finish_wait(&netdev_unregistering_wq, &wait);
+}
 /**
 * rtnl_link_unregister - Unregister rtnl_link_ops from rtnetlink.
 * @ops: struct rtnl_link_ops * to unregister
 */
 void rtnl_link_unregister(struct rtnl_link_ops *ops)
 {
-        rtnl_lock();
+        /* Close the race with cleanup_net() */
+        mutex_lock(&net_mutex);
+        rtnl_lock_unregistering_all();
        __rtnl_link_unregister(ops);
        rtnl_unlock();
+        mutex_unlock(&net_mutex);
 }
 EXPORT_SYMBOL_GPL(rtnl_link_unregister);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 1b62343f5837..8383b2bddeb9 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3076,7 +3076,7 @@ int skb_gro_receive(struct sk_buff **head, struct sk_buff *skb)
        if (unlikely(p->len + len >= 65536))
                return -E2BIG;
-        lp = NAPI_GRO_CB(p)->last ?: p;
+        lp = NAPI_GRO_CB(p)->last;
        pinfo = skb_shinfo(lp);
        if (headlen <= offset) {
@@ -3192,7 +3192,7 @@ merge:
        __skb_pull(skb, offset);
-        if (!NAPI_GRO_CB(p)->last)
+        if (NAPI_GRO_CB(p)->last == p)
                skb_shinfo(p)->frag_list = skb;
        else
                NAPI_GRO_CB(p)->last->next = skb;
diff --git a/net/core/utils.c b/net/core/utils.c
index 2f737bf90b3f..eed34338736c 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -348,8 +348,8 @@ static void __net_random_once_deferred(struct work_struct *w)
 {
        struct __net_random_once_work *work =
                container_of(w, struct __net_random_once_work, work);
-        if (!static_key_enabled(work->key))
+        BUG_ON(!static_key_enabled(work->key));
-                static_key_slow_inc(work->key);
+        static_key_slow_dec(work->key);
        kfree(work);
 }
@@ -367,7 +367,7 @@ static void __net_random_once_disable_jump(struct static_key *key)
 }
 bool __net_get_random_once(void *buf, int nbytes, bool *done,
-                           struct static_key *done_key)
+                           struct static_key *once_key)
 {
        static DEFINE_SPINLOCK(lock);
        unsigned long flags;
@@ -382,7 +382,7 @@ bool __net_get_random_once(void *buf, int nbytes, bool *done,
        *done = true;
        spin_unlock_irqrestore(&lock, flags);
-        __net_random_once_disable_jump(done_key);
+        __net_random_once_disable_jump(once_key);
        return true;
 }
diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c
index 0eb5d5e76dfb..5db37cef50a9 100644
--- a/net/dsa/dsa.c
+++ b/net/dsa/dsa.c
@@ -406,8 +406,9 @@ static int dsa_of_probe(struct platform_device *pdev)
                goto out_free;
        }
-        chip_index = 0;
+        chip_index = -1;
        for_each_available_child_of_node(np, child) {
+                chip_index++;
                cd = &pd->chip[chip_index];
                cd->mii_bus = &mdio_bus->dev;
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 8c54870db792..6d6dd345bc4d 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1650,6 +1650,39 @@ static int __init init_ipv4_mibs(void)
        return register_pernet_subsys(&ipv4_mib_ops);
 }
+static __net_init int inet_init_net(struct net *net)
+{
+        /*
+         * Set defaults for local port range
+         */
+        seqlock_init(&net->ipv4.ip_local_ports.lock);
+        net->ipv4.ip_local_ports.range[0] =  32768;
+        net->ipv4.ip_local_ports.range[1] =  61000;
+        seqlock_init(&net->ipv4.ping_group_range.lock);
+        /*
+         * Sane defaults - nobody may create ping sockets.
+         * Boot scripts should set this to distro-specific group.
+         */
+        net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1);
+        net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0);
+        return 0;
+}
+static __net_exit void inet_exit_net(struct net *net)
+{
+}
+static __net_initdata struct pernet_operations af_inet_ops = {
+        .init = inet_init_net,
+        .exit = inet_exit_net,
+};
+static int __init init_inet_pernet_ops(void)
+{
+        return register_pernet_subsys(&af_inet_ops);
+}
 static int ipv4_proc_init(void);
 /*
@@ -1794,6 +1827,9 @@ static int __init inet_init(void)
        if (ip_mr_init())
                pr_crit("%s: Cannot init ipv4 mroute\n", __func__);
 #endif
+        if (init_inet_pernet_ops())
+                pr_crit("%s: Cannot init ipv4 inet pernet ops\n", __func__);
        /*
         *      Initialise per-cpu ipv4 mibs
         */
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 8a043f03c88e..b10cd43a4722 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -821,13 +821,13 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
        fi = kzalloc(sizeof(*fi)+nhs*sizeof(struct fib_nh), GFP_KERNEL);
        if (fi == NULL)
                goto failure;
+        fib_info_cnt++;
        if (cfg->fc_mx) {
                fi->fib_metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL);
                if (!fi->fib_metrics)
                        goto failure;
        } else
                fi->fib_metrics = (u32 *) dst_default_metrics;
-        fib_info_cnt++;
        fi->fib_net = hold_net(net);
        fi->fib_protocol = cfg->fc_protocol;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 0d1e2cb877ec..a56b8e6e866a 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -37,11 +37,11 @@ void inet_get_local_port_range(struct net *net, int *low, int *high)
        unsigned int seq;
        do {
-                seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
+                seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);
-                *low = net->ipv4.sysctl_local_ports.range[0];
+                *low = net->ipv4.ip_local_ports.range[0];
-                *high = net->ipv4.sysctl_local_ports.range[1];
+                *high = net->ipv4.ip_local_ports.range[1];
-        } while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
+        } while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));
 }
 EXPORT_SYMBOL(inet_get_local_port_range);
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index be8abe73bb9f..6f111e48e11c 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -42,12 +42,12 @@
 static bool ip_may_fragment(const struct sk_buff *skb)
 {
        return unlikely((ip_hdr(skb)->frag_off & htons(IP_DF)) == 0) ||
-               !skb->local_df;
+                skb->local_df;
 }
 static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
 {
-        if (skb->len <= mtu || skb->local_df)
+        if (skb->len <= mtu)
                return false;
        if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu)
@@ -56,53 +56,6 @@ static bool ip_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
        return true;
 }
-static bool ip_gso_exceeds_dst_mtu(const struct sk_buff *skb)
-{
-        unsigned int mtu;
-        if (skb->local_df || !skb_is_gso(skb))
-                return false;
-        mtu = ip_dst_mtu_maybe_forward(skb_dst(skb), true);
-        /* if seglen > mtu, do software segmentation for IP fragmentation on
-         * output.  DF bit cannot be set since ip_forward would have sent
-         * icmp error.
-         */
-        return skb_gso_network_seglen(skb) > mtu;
-}
-/* called if GSO skb needs to be fragmented on forward */
-static int ip_forward_finish_gso(struct sk_buff *skb)
-{
-        struct dst_entry *dst = skb_dst(skb);
-        netdev_features_t features;
-        struct sk_buff *segs;
-        int ret = 0;
-        features = netif_skb_dev_features(skb, dst->dev);
-        segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
-        if (IS_ERR(segs)) {
-                kfree_skb(skb);
-                return -ENOMEM;
-        }
-        consume_skb(skb);
-        do {
-                struct sk_buff *nskb = segs->next;
-                int err;
-                segs->next = NULL;
-                err = dst_output(segs);
-                if (err && ret == 0)
-                        ret = err;
-                segs = nskb;
-        } while (segs);
-        return ret;
-}
 static int ip_forward_finish(struct sk_buff *skb)
 {
@@ -114,9 +67,6 @@ static int ip_forward_finish(struct sk_buff *skb)
        if (unlikely(opt->optlen))
                ip_forward_options(skb);
-        if (ip_gso_exceeds_dst_mtu(skb))
-                return ip_forward_finish_gso(skb);
        return dst_output(skb);
 }
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index c10a3ce5cbff..ed32313e307c 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -232,8 +232,9 @@ static void ip_expire(unsigned long arg)
                 * "Fragment Reassembly Timeout" message, per RFC792.
                 */
                if (qp->user == IP_DEFRAG_AF_PACKET ||
-                    (qp->user == IP_DEFRAG_CONNTRACK_IN &&
+                    ((qp->user >= IP_DEFRAG_CONNTRACK_IN) &&
-                     skb_rtable(head)->rt_type != RTN_LOCAL))
+                     (qp->user <= __IP_DEFRAG_CONNTRACK_IN_END) &&
+                     (skb_rtable(head)->rt_type != RTN_LOCAL)))
                        goto out_rcu_unlock;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1cbeba5edff9..a52f50187b54 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -211,6 +211,48 @@ static inline int ip_finish_output2(struct sk_buff *skb)
        return -EINVAL;
 }
+static int ip_finish_output_gso(struct sk_buff *skb)
+{
+        netdev_features_t features;
+        struct sk_buff *segs;
+        int ret = 0;
+        /* common case: locally created skb or seglen is <= mtu */
+        if (((IPCB(skb)->flags & IPSKB_FORWARDED) == 0) ||
+              skb_gso_network_seglen(skb) <= ip_skb_dst_mtu(skb))
+                return ip_finish_output2(skb);
+        /* Slowpath -  GSO segment length is exceeding the dst MTU.
+         *
+         * This can happen in two cases:
+         * 1) TCP GRO packet, DF bit not set
+         * 2) skb arrived via virtio-net, we thus get TSO/GSO skbs directly
+         * from host network stack.
+         */
+        features = netif_skb_features(skb);
+        segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
+        if (IS_ERR(segs)) {
+                kfree_skb(skb);
+                return -ENOMEM;
+        }
+        consume_skb(skb);
+        do {
+                struct sk_buff *nskb = segs->next;
+                int err;
+                segs->next = NULL;
+                err = ip_fragment(segs, ip_finish_output2);
+                if (err && ret == 0)
+                        ret = err;
+                segs = nskb;
+        } while (segs);
+        return ret;
+}
 static int ip_finish_output(struct sk_buff *skb)
 {
 #if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)
@@ -220,10 +262,13 @@ static int ip_finish_output(struct sk_buff *skb)
                return dst_output(skb);
        }
 #endif
-        if (skb->len > ip_skb_dst_mtu(skb) && !skb_is_gso(skb))
+        if (skb_is_gso(skb))
+                return ip_finish_output_gso(skb);
+        if (skb->len > ip_skb_dst_mtu(skb))
                return ip_fragment(skb, ip_finish_output2);
-        else
-                return ip_finish_output2(skb);
+        return ip_finish_output2(skb);
 }
 int ip_mc_output(struct sock *sk, struct sk_buff *skb)
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index b3f859731c60..2acc2337d38b 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -540,9 +540,10 @@ void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
        unsigned int max_headroom;      /* The extra header space needed */
        __be32 dst;
        int err;
-        bool connected = true;
+        bool connected;
        inner_iph = (const struct iphdr *)skb_inner_network_header(skb);
+        connected = (tunnel->parms.iph.daddr != 0);
        dst = tnl_params->daddr;
        if (dst == 0) {
@@ -882,6 +883,7 @@ int ip_tunnel_init_net(struct net *net, int ip_tnl_net_id,
         */
        if (!IS_ERR(itn->fb_tunnel_dev)) {
                itn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;
+                itn->fb_tunnel_dev->mtu = ip_tunnel_bind_dev(itn->fb_tunnel_dev);
                ip_tunnel_add(itn, netdev_priv(itn->fb_tunnel_dev));
        }
        rtnl_unlock();
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index afcee51b90ed..13ef00f1e17b 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -239,6 +239,7 @@ static netdev_tx_t vti_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 static int vti4_err(struct sk_buff *skb, u32 info)
 {
        __be32 spi;
+        __u32 mark;
        struct xfrm_state *x;
        struct ip_tunnel *tunnel;
        struct ip_esp_hdr *esph;
@@ -254,6 +255,8 @@ static int vti4_err(struct sk_buff *skb, u32 info)
        if (!tunnel)
                return -1;
+        mark = be32_to_cpu(tunnel->parms.o_key);
        switch (protocol) {
        case IPPROTO_ESP:
                esph = (struct ip_esp_hdr *)(skb->data+(iph->ihl<<2));
@@ -281,7 +284,7 @@ static int vti4_err(struct sk_buff *skb, u32 info)
                return 0;
        }
-        x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+        x = xfrm_state_lookup(net, mark, (const xfrm_address_t *)&iph->daddr,
                              spi, protocol, AF_INET);
        if (!x)
                return 0;
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index 12e13bd82b5b..f40f321b41fc 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -22,7 +22,6 @@
 #endif
 #include <net/netfilter/nf_conntrack_zones.h>
-/* Returns new sk_buff, or NULL */
 static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
 {
        int err;
@@ -33,8 +32,10 @@ static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
        err = ip_defrag(skb, user);
        local_bh_enable();
-        if (!err)
+        if (!err) {
                ip_send_check(ip_hdr(skb));
+                skb->local_df = 1;
+        }
        return err;
 }
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 8210964a9f19..044a0ddf6a79 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -236,15 +236,15 @@ exit:
 static void inet_get_ping_group_range_net(struct net *net, kgid_t *low,
                                          kgid_t *high)
 {
-        kgid_t *data = net->ipv4.sysctl_ping_group_range;
+        kgid_t *data = net->ipv4.ping_group_range.range;
        unsigned int seq;
        do {
-                seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
+                seq = read_seqbegin(&net->ipv4.ping_group_range.lock);
                *low = data[0];
                *high = data[1];
-        } while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
+        } while (read_seqretry(&net->ipv4.ping_group_range.lock, seq));
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index db1e0da871f4..5e676be3daeb 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1519,7 +1519,7 @@ static int __mkroute_input(struct sk_buff *skb,
        struct in_device *out_dev;
        unsigned int flags = 0;
        bool do_cache;
-        u32 itag;
+        u32 itag = 0;
        /* get a working reference to the output device */
        out_dev = __in_dev_get_rcu(FIB_RES_DEV(*res));
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 44eba052b43d..5cde8f263d40 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -45,10 +45,10 @@ static int ip_ping_group_range_max[] = { GID_T_MAX, GID_T_MAX };
 /* Update system visible IP port range */
 static void set_local_port_range(struct net *net, int range[2])
 {
-        write_seqlock(&net->ipv4.sysctl_local_ports.lock);
+        write_seqlock(&net->ipv4.ip_local_ports.lock);
-        net->ipv4.sysctl_local_ports.range[0] = range[0];
+        net->ipv4.ip_local_ports.range[0] = range[0];
-        net->ipv4.sysctl_local_ports.range[1] = range[1];
+        net->ipv4.ip_local_ports.range[1] = range[1];
-        write_sequnlock(&net->ipv4.sysctl_local_ports.lock);
+        write_sequnlock(&net->ipv4.ip_local_ports.lock);
 }
 /* Validate changes from /proc interface. */
@@ -57,7 +57,7 @@ static int ipv4_local_port_range(struct ctl_table *table, int write,
                                 size_t *lenp, loff_t *ppos)
 {
        struct net *net =
-                container_of(table->data, struct net, ipv4.sysctl_local_ports.range);
+                container_of(table->data, struct net, ipv4.ip_local_ports.range);
        int ret;
        int range[2];
        struct ctl_table tmp = {
@@ -87,14 +87,14 @@ static void inet_get_ping_group_range_table(struct ctl_table *table, kgid_t *low
 {
        kgid_t *data = table->data;
        struct net *net =
-                container_of(table->data, struct net, ipv4.sysctl_ping_group_range);
+                container_of(table->data, struct net, ipv4.ping_group_range.range);
        unsigned int seq;
        do {
-                seq = read_seqbegin(&net->ipv4.sysctl_local_ports.lock);
+                seq = read_seqbegin(&net->ipv4.ip_local_ports.lock);
                *low = data[0];
                *high = data[1];
-        } while (read_seqretry(&net->ipv4.sysctl_local_ports.lock, seq));
+        } while (read_seqretry(&net->ipv4.ip_local_ports.lock, seq));
 }
 /* Update system visible IP port range */
@@ -102,11 +102,11 @@ static void set_ping_group_range(struct ctl_table *table, kgid_t low, kgid_t hig
 {
        kgid_t *data = table->data;
        struct net *net =
-                container_of(table->data, struct net, ipv4.sysctl_ping_group_range);
+                container_of(table->data, struct net, ipv4.ping_group_range.range);
-        write_seqlock(&net->ipv4.sysctl_local_ports.lock);
+        write_seqlock(&net->ipv4.ip_local_ports.lock);
        data[0] = low;
        data[1] = high;
-        write_sequnlock(&net->ipv4.sysctl_local_ports.lock);
+        write_sequnlock(&net->ipv4.ip_local_ports.lock);
 }
 /* Validate changes from /proc interface. */
@@ -805,7 +805,7 @@ static struct ctl_table ipv4_net_table[] = {
        },
        {
                .procname       = "ping_group_range",
-                .data           = &init_net.ipv4.sysctl_ping_group_range,
+                .data           = &init_net.ipv4.ping_group_range.range,
                .maxlen         = sizeof(gid_t)*2,
                .mode           = 0644,
                .proc_handler   = ipv4_ping_group_range,
@@ -819,8 +819,8 @@ static struct ctl_table ipv4_net_table[] = {
        },
        {
                .procname       = "ip_local_port_range",
-                .maxlen         = sizeof(init_net.ipv4.sysctl_local_ports.range),
+                .maxlen         = sizeof(init_net.ipv4.ip_local_ports.range),
-                .data           = &init_net.ipv4.sysctl_local_ports.range,
+                .data           = &init_net.ipv4.ip_local_ports.range,
                .mode           = 0644,
                .proc_handler   = ipv4_local_port_range,
        },
@@ -858,20 +858,6 @@ static __net_init int ipv4_sysctl_init_net(struct net *net)
                        table[i].data += (void *)net - (void *)&init_net;
        }
-        /*
-         * Sane defaults - nobody may create ping sockets.
-         * Boot scripts should set this to distro-specific group.
-         */
-        net->ipv4.sysctl_ping_group_range[0] = make_kgid(&init_user_ns, 1);
-        net->ipv4.sysctl_ping_group_range[1] = make_kgid(&init_user_ns, 0);
-        /*
-         * Set defaults for local port range
-         */
-        seqlock_init(&net->ipv4.sysctl_local_ports.lock);
-        net->ipv4.sysctl_local_ports.range[0] =  32768;
-        net->ipv4.sysctl_local_ports.range[1] =  61000;
        net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table);
        if (net->ipv4.ipv4_hdr == NULL)
                goto err_reg;
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 40e701f2e1e0..186a8ecf92fa 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -62,10 +62,7 @@ int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
        if (err)
                return err;
-        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+        IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE;
-        IPCB(skb)->flags |= IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED;
-        skb->protocol = htons(ETH_P_IP);
        return x->outer_mode->output2(x, skb);
 }
@@ -73,27 +70,34 @@ EXPORT_SYMBOL(xfrm4_prepare_output);
 int xfrm4_output_finish(struct sk_buff *skb)
 {
+        memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+        skb->protocol = htons(ETH_P_IP);
+#ifdef CONFIG_NETFILTER
+        IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
+#endif
+        return xfrm_output(skb);
+}
+static int __xfrm4_output(struct sk_buff *skb)
+{
+        struct xfrm_state *x = skb_dst(skb)->xfrm;
 #ifdef CONFIG_NETFILTER
-        if (!skb_dst(skb)->xfrm) {
+        if (!x) {
                IPCB(skb)->flags |= IPSKB_REROUTED;
                return dst_output(skb);
        }
-        IPCB(skb)->flags |= IPSKB_XFRM_TRANSFORMED;
 #endif
-        skb->protocol = htons(ETH_P_IP);
+        return x->outer_mode->afinfo->output_finish(skb);
-        return xfrm_output(skb);
 }
 int xfrm4_output(struct sock *sk, struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb_dst(skb);
-        struct xfrm_state *x = dst->xfrm;
        return NF_HOOK_COND(NFPROTO_IPV4, NF_INET_POST_ROUTING, skb,
-                            NULL, dst->dev,
+                            NULL, skb_dst(skb)->dev, __xfrm4_output,
-                            x->outer_mode->afinfo->output_finish,
                            !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
diff --git a/net/ipv4/xfrm4_protocol.c b/net/ipv4/xfrm4_protocol.c
index 7f7b243e8139..a2ce0101eaac 100644
--- a/net/ipv4/xfrm4_protocol.c
+++ b/net/ipv4/xfrm4_protocol.c
@@ -50,8 +50,12 @@ int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 {
        int ret;
        struct xfrm4_protocol *handler;
+        struct xfrm4_protocol __rcu **head = proto_handlers(protocol);
-        for_each_protocol_rcu(*proto_handlers(protocol), handler)
+        if (!head)
+                return 0;
+        for_each_protocol_rcu(*head, handler)
                if ((ret = handler->cb_handler(skb, err)) <= 0)
                        return ret;
@@ -64,15 +68,20 @@ int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
 {
        int ret;
        struct xfrm4_protocol *handler;
+        struct xfrm4_protocol __rcu **head = proto_handlers(nexthdr);
        XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = NULL;
        XFRM_SPI_SKB_CB(skb)->family = AF_INET;
        XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr);
-        for_each_protocol_rcu(*proto_handlers(nexthdr), handler)
+        if (!head)
+                goto out;
+        for_each_protocol_rcu(*head, handler)
                if ((ret = handler->input_handler(skb, nexthdr, spi, encap_type)) != -EINVAL)
                        return ret;
+out:
        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
        kfree_skb(skb);
@@ -208,6 +217,9 @@ int xfrm4_protocol_register(struct xfrm4_protocol *handler,
        int ret = -EEXIST;
        int priority = handler->priority;
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
        mutex_lock(&xfrm4_protocol_mutex);
        if (!rcu_dereference_protected(*proto_handlers(protocol),
@@ -250,6 +262,9 @@ int xfrm4_protocol_deregister(struct xfrm4_protocol *handler,
        struct xfrm4_protocol *t;
        int ret = -ENOENT;
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
        mutex_lock(&xfrm4_protocol_mutex);
        for (pprev = proto_handlers(protocol);
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index 59f95affceb0..b2f091566f88 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -196,7 +196,6 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
        unsigned int off;
        u16 flush = 1;
        int proto;
-        __wsum csum;
        off = skb_gro_offset(skb);
        hlen = off + sizeof(*iph);
@@ -264,13 +263,10 @@ static struct sk_buff **ipv6_gro_receive(struct sk_buff **head,
        NAPI_GRO_CB(skb)->flush |= flush;
-        csum = skb->csum;
+        skb_gro_postpull_rcsum(skb, iph, nlen);
-        skb_postpull_rcsum(skb, iph, skb_network_header_len(skb));
        pp = ops->callbacks.gro_receive(head, skb);
-        skb->csum = csum;
 out_unlock:
        rcu_read_unlock();
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 40e7581374f7..fbf11562b54c 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -344,12 +344,16 @@ static unsigned int ip6_dst_mtu_forward(const struct dst_entry *dst)
 static bool ip6_pkt_too_big(const struct sk_buff *skb, unsigned int mtu)
 {
-        if (skb->len <= mtu || skb->local_df)
+        if (skb->len <= mtu)
                return false;
+        /* ipv6 conntrack defrag sets max_frag_size + local_df */
        if (IP6CB(skb)->frag_max_size && IP6CB(skb)->frag_max_size > mtu)
                return true;
+        if (skb->local_df)
+                return false;
        if (skb_is_gso(skb) && skb_gso_network_seglen(skb) <= mtu)
                return false;
@@ -1225,7 +1229,7 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to,
                unsigned int maxnonfragsize, headersize;
                headersize = sizeof(struct ipv6hdr) +
-                             (opt ? opt->tot_len : 0) +
+                             (opt ? opt->opt_flen + opt->opt_nflen : 0) +
                             (dst_allfrag(&rt->dst) ?
                              sizeof(struct frag_hdr) : 0) +
                             rt->rt6i_nfheader_len;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index b05b609f69d1..f6a66bb4114d 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1557,7 +1557,7 @@ static int ip6_tnl_validate(struct nlattr *tb[], struct nlattr *data[])
 {
        u8 proto;
-        if (!data)
+        if (!data || !data[IFLA_IPTUN_PROTO])
                return 0;
        proto = nla_get_u8(data[IFLA_IPTUN_PROTO]);
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index b7c0f827140b..6cc9f9371cc5 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -511,6 +511,7 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                    u8 type, u8 code, int offset, __be32 info)
 {
        __be32 spi;
+        __u32 mark;
        struct xfrm_state *x;
        struct ip6_tnl *t;
        struct ip_esp_hdr *esph;
@@ -524,6 +525,8 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
        if (!t)
                return -1;
+        mark = be32_to_cpu(t->parms.o_key);
        switch (protocol) {
        case IPPROTO_ESP:
                esph = (struct ip_esp_hdr *)(skb->data + offset);
@@ -545,7 +548,7 @@ static int vti6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
            type != NDISC_REDIRECT)
                return 0;
-        x = xfrm_state_lookup(net, skb->mark, (const xfrm_address_t *)&iph->daddr,
+        x = xfrm_state_lookup(net, mark, (const xfrm_address_t *)&iph->daddr,
                              spi, protocol, AF_INET6);
        if (!x)
                return 0;
@@ -1097,7 +1100,6 @@ static int __init vti6_tunnel_init(void)
        err = xfrm6_protocol_register(&vti_esp6_protocol, IPPROTO_ESP);
        if (err < 0) {
-                unregister_pernet_device(&vti6_net_ops);
                pr_err("%s: can't register vti6 protocol\n", __func__);
                goto out;
@@ -1106,7 +1108,6 @@ static int __init vti6_tunnel_init(void)
        err = xfrm6_protocol_register(&vti_ah6_protocol, IPPROTO_AH);
        if (err < 0) {
                xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-                unregister_pernet_device(&vti6_net_ops);
                pr_err("%s: can't register vti6 protocol\n", __func__);
                goto out;
@@ -1116,7 +1117,6 @@ static int __init vti6_tunnel_init(void)
        if (err < 0) {
                xfrm6_protocol_deregister(&vti_ah6_protocol, IPPROTO_AH);
                xfrm6_protocol_deregister(&vti_esp6_protocol, IPPROTO_ESP);
-                unregister_pernet_device(&vti6_net_ops);
                pr_err("%s: can't register vti6 protocol\n", __func__);
                goto out;
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 09a22f4f36c9..ca8d4ea48a5d 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -851,7 +851,7 @@ out:
 static void ndisc_recv_na(struct sk_buff *skb)
 {
        struct nd_msg *msg = (struct nd_msg *)skb_transport_header(skb);
-        const struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
+        struct in6_addr *saddr = &ipv6_hdr(skb)->saddr;
        const struct in6_addr *daddr = &ipv6_hdr(skb)->daddr;
        u8 *lladdr = NULL;
        u32 ndoptlen = skb_tail_pointer(skb) - (skb_transport_header(skb) +
@@ -944,10 +944,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
                        /*
                         * Change: router to host
                         */
-                        struct rt6_info *rt;
+                        rt6_clean_tohost(dev_net(dev),  saddr);
-                        rt = rt6_get_dflt_router(saddr, dev);
-                        if (rt)
-                                ip6_del_rt(rt);
                }
 out:
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 95f3f1da0d7f..d38e6a8d8b9f 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -30,13 +30,15 @@ int ip6_route_me_harder(struct sk_buff *skb)
                .daddr = iph->daddr,
                .saddr = iph->saddr,
        };
+        int err;
        dst = ip6_route_output(net, skb->sk, &fl6);
-        if (dst->error) {
+        err = dst->error;
+        if (err) {
                IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
                LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
                dst_release(dst);
-                return dst->error;
+                return err;
        }
        /* Drop old route. */
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 004fffb6c221..6ebdb7b6744c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2234,6 +2234,27 @@ void rt6_remove_prefsrc(struct inet6_ifaddr *ifp)
        fib6_clean_all(net, fib6_remove_prefsrc, &adni);
 }
+#define RTF_RA_ROUTER           (RTF_ADDRCONF | RTF_DEFAULT | RTF_GATEWAY)
+#define RTF_CACHE_GATEWAY       (RTF_GATEWAY | RTF_CACHE)
+/* Remove routers and update dst entries when gateway turn into host. */
+static int fib6_clean_tohost(struct rt6_info *rt, void *arg)
+{
+        struct in6_addr *gateway = (struct in6_addr *)arg;
+        if ((((rt->rt6i_flags & RTF_RA_ROUTER) == RTF_RA_ROUTER) ||
+             ((rt->rt6i_flags & RTF_CACHE_GATEWAY) == RTF_CACHE_GATEWAY)) &&
+             ipv6_addr_equal(gateway, &rt->rt6i_gateway)) {
+                return -1;
+        }
+        return 0;
+}
+void rt6_clean_tohost(struct net *net, struct in6_addr *gateway)
+{
+        fib6_clean_all(net, fib6_clean_tohost, gateway);
+}
 struct arg_dev_net {
        struct net_device *dev;
        struct net *net;
@@ -2709,6 +2730,9 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh)
        if (tb[RTA_OIF])
                oif = nla_get_u32(tb[RTA_OIF]);
+        if (tb[RTA_MARK])
+                fl6.flowi6_mark = nla_get_u32(tb[RTA_MARK]);
        if (iif) {
                struct net_device *dev;
                int flags = 0;
diff --git a/net/ipv6/tcpv6_offload.c b/net/ipv6/tcpv6_offload.c
index 0d78132ff18a..8517d3cd1aed 100644
--- a/net/ipv6/tcpv6_offload.c
+++ b/net/ipv6/tcpv6_offload.c
@@ -42,7 +42,7 @@ static struct sk_buff **tcp6_gro_receive(struct sk_buff **head,
        if (NAPI_GRO_CB(skb)->flush)
                goto skip_csum;
-        wsum = skb->csum;
+        wsum = NAPI_GRO_CB(skb)->csum;
        switch (skb->ip_summed) {
        case CHECKSUM_NONE:
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 19ef329bdbf8..b930d080c66f 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -114,12 +114,6 @@ int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb)
        if (err)
                return err;
-        memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
-#ifdef CONFIG_NETFILTER
-        IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
-#endif
-        skb->protocol = htons(ETH_P_IPV6);
        skb->local_df = 1;
        return x->outer_mode->output2(x, skb);
@@ -128,11 +122,13 @@ EXPORT_SYMBOL(xfrm6_prepare_output);
 int xfrm6_output_finish(struct sk_buff *skb)
 {
+        memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+        skb->protocol = htons(ETH_P_IPV6);
 #ifdef CONFIG_NETFILTER
        IP6CB(skb)->flags |= IP6SKB_XFRM_TRANSFORMED;
 #endif
-        skb->protocol = htons(ETH_P_IPV6);
        return xfrm_output(skb);
 }
@@ -142,6 +138,13 @@ static int __xfrm6_output(struct sk_buff *skb)
        struct xfrm_state *x = dst->xfrm;
        int mtu;
+#ifdef CONFIG_NETFILTER
+        if (!x) {
+                IP6CB(skb)->flags |= IP6SKB_REROUTED;
+                return dst_output(skb);
+        }
+#endif
        if (skb->protocol == htons(ETH_P_IPV6))
                mtu = ip6_skb_dst_mtu(skb);
        else
@@ -165,6 +168,7 @@ static int __xfrm6_output(struct sk_buff *skb)
 int xfrm6_output(struct sock *sk, struct sk_buff *skb)
 {
-        return NF_HOOK(NFPROTO_IPV6, NF_INET_POST_ROUTING, skb, NULL,
+        return NF_HOOK_COND(NFPROTO_IPV6, NF_INET_POST_ROUTING, skb,
-                       skb_dst(skb)->dev, __xfrm6_output);
+                            NULL, skb_dst(skb)->dev, __xfrm6_output,
+                            !(IP6CB(skb)->flags & IP6SKB_REROUTED));
 }
diff --git a/net/ipv6/xfrm6_protocol.c b/net/ipv6/xfrm6_protocol.c
index 6ab989c486f7..54d13f8dbbae 100644
--- a/net/ipv6/xfrm6_protocol.c
+++ b/net/ipv6/xfrm6_protocol.c
@@ -50,6 +50,10 @@ int xfrm6_rcv_cb(struct sk_buff *skb, u8 protocol, int err)
 {
        int ret;
        struct xfrm6_protocol *handler;
+        struct xfrm6_protocol __rcu **head = proto_handlers(protocol);
+        if (!head)
+                return 0;
        for_each_protocol_rcu(*proto_handlers(protocol), handler)
                if ((ret = handler->cb_handler(skb, err)) <= 0)
@@ -184,10 +188,12 @@ int xfrm6_protocol_register(struct xfrm6_protocol *handler,
        struct xfrm6_protocol __rcu **pprev;
        struct xfrm6_protocol *t;
        bool add_netproto = false;
        int ret = -EEXIST;
        int priority = handler->priority;
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
        mutex_lock(&xfrm6_protocol_mutex);
        if (!rcu_dereference_protected(*proto_handlers(protocol),
@@ -230,6 +236,9 @@ int xfrm6_protocol_deregister(struct xfrm6_protocol *handler,
        struct xfrm6_protocol *t;
        int ret = -ENOENT;
+        if (!proto_handlers(protocol) || !netproto(protocol))
+                return -EINVAL;
        mutex_lock(&xfrm6_protocol_mutex);
        for (pprev = proto_handlers(protocol);
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 01e77b0ae075..8c9d7302c846 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1830,7 +1830,7 @@ static void iucv_callback_txdone(struct iucv_path *path,
                spin_lock_irqsave(&list->lock, flags);
                while (list_skb != (struct sk_buff *)list) {
-                        if (msg->tag != IUCV_SKB_CB(list_skb)->tag) {
+                        if (msg->tag == IUCV_SKB_CB(list_skb)->tag) {
                                this = list_skb;
                                break;
                        }
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 222c28b75315..f169b6ee94ee 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -317,6 +317,7 @@ struct ieee80211_roc_work {
        bool started, abort, hw_begun, notified;
        bool to_be_freed;
+        bool on_channel;
        unsigned long hw_start_time;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index dee50aefd6e8..27600a9808ba 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3598,18 +3598,24 @@ void ieee80211_mgd_quiesce(struct ieee80211_sub_if_data *sdata)
        sdata_lock(sdata);
-        if (ifmgd->auth_data) {
+        if (ifmgd->auth_data || ifmgd->assoc_data) {
+                const u8 *bssid = ifmgd->auth_data ?
+                                ifmgd->auth_data->bss->bssid :
+                                ifmgd->assoc_data->bss->bssid;
                /*
-                 * If we are trying to authenticate while suspending, cfg80211
+                 * If we are trying to authenticate / associate while suspending,
-                 * won't know and won't actually abort those attempts, thus we
+                 * cfg80211 won't know and won't actually abort those attempts,
-                 * need to do that ourselves.
+                 * thus we need to do that ourselves.
                 */
-                ieee80211_send_deauth_disassoc(sdata,
+                ieee80211_send_deauth_disassoc(sdata, bssid,
-                                               ifmgd->auth_data->bss->bssid,
                                               IEEE80211_STYPE_DEAUTH,
                                               WLAN_REASON_DEAUTH_LEAVING,
                                               false, frame_buf);
-                ieee80211_destroy_auth_data(sdata, false);
+                if (ifmgd->assoc_data)
+                        ieee80211_destroy_assoc_data(sdata, false);
+                if (ifmgd->auth_data)
+                        ieee80211_destroy_auth_data(sdata, false);
                cfg80211_tx_mlme_mgmt(sdata->dev, frame_buf,
                                      IEEE80211_DEAUTH_FRAME_LEN);
        }
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 6fb38558a5e6..7a17decd27f9 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -333,7 +333,7 @@ void ieee80211_sw_roc_work(struct work_struct *work)
                container_of(work, struct ieee80211_roc_work, work.work);
        struct ieee80211_sub_if_data *sdata = roc->sdata;
        struct ieee80211_local *local = sdata->local;
-        bool started;
+        bool started, on_channel;
        mutex_lock(&local->mtx);
@@ -354,14 +354,26 @@ void ieee80211_sw_roc_work(struct work_struct *work)
        if (!roc->started) {
                struct ieee80211_roc_work *dep;
-                /* start this ROC */
+                WARN_ON(local->use_chanctx);
-                ieee80211_offchannel_stop_vifs(local);
+                /* If actually operating on the desired channel (with at least
+                 * 20 MHz channel width) don't stop all the operations but still
+                 * treat it as though the ROC operation started properly, so
+                 * other ROC operations won't interfere with this one.
+                 */
+                roc->on_channel = roc->chan == local->_oper_chandef.chan &&
+                                  local->_oper_chandef.width != NL80211_CHAN_WIDTH_5 &&
+                                  local->_oper_chandef.width != NL80211_CHAN_WIDTH_10;
-                /* switch channel etc */
+                /* start this ROC */
                ieee80211_recalc_idle(local);
-                local->tmp_channel = roc->chan;
+                if (!roc->on_channel) {
-                ieee80211_hw_config(local, 0);
+                        ieee80211_offchannel_stop_vifs(local);
+                        local->tmp_channel = roc->chan;
+                        ieee80211_hw_config(local, 0);
+                }
                /* tell userspace or send frame */
                ieee80211_handle_roc_started(roc);
@@ -380,9 +392,10 @@ void ieee80211_sw_roc_work(struct work_struct *work)
 finish:
                list_del(&roc->list);
                started = roc->started;
+                on_channel = roc->on_channel;
                ieee80211_roc_notify_destroy(roc, !roc->abort);
-                if (started) {
+                if (started && !on_channel) {
                        ieee80211_flush_queues(local, NULL);
                        local->tmp_channel = NULL;
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 216c45b949e5..2b608b2b70ec 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1231,7 +1231,8 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
                if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&
                    test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
                        sta->last_rx = jiffies;
-                        if (ieee80211_is_data(hdr->frame_control)) {
+                        if (ieee80211_is_data(hdr->frame_control) &&
+                            !is_multicast_ether_addr(hdr->addr1)) {
                                sta->last_rx_rate_idx = status->rate_idx;
                                sta->last_rx_rate_flag = status->flag;
                                sta->last_rx_rate_vht_flag = status->vht_flag;
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 137a192e64bc..847d92f6bef6 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -1148,7 +1148,8 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
        atomic_dec(&ps->num_sta_ps);
        /* This station just woke up and isn't aware of our SMPS state */
-        if (!ieee80211_smps_is_restrictive(sta->known_smps_mode,
+        if (!ieee80211_vif_is_mesh(&sdata->vif) &&
+            !ieee80211_smps_is_restrictive(sta->known_smps_mode,
                                           sdata->smps_mode) &&
            sta->known_smps_mode != sdata->bss->req_smps &&
            sta_info_tx_streams(sta) != 1) {
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 00ba90b02ab2..60cb7a665976 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -314,10 +314,9 @@ ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
            !is_multicast_ether_addr(hdr->addr1))
                txflags |= IEEE80211_RADIOTAP_F_TX_FAIL;
-        if ((info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+        if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
-            (info->status.rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT))
                txflags |= IEEE80211_RADIOTAP_F_TX_CTS;
-        else if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
+        if (info->status.rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS)
                txflags |= IEEE80211_RADIOTAP_F_TX_RTS;
        put_unaligned_le16(txflags, pos);
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index a0b0aea76525..cec5b60487a4 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -21,10 +21,10 @@
 #define VIF_ENTRY       __field(enum nl80211_iftype, vif_type) __field(void *, sdata)   \
                        __field(bool, p2p)                                              \
-                        __string(vif_name, sdata->dev ? sdata->dev->name : "<nodev>")
+                        __string(vif_name, sdata->name)
 #define VIF_ASSIGN      __entry->vif_type = sdata->vif.type; __entry->sdata = sdata;    \
                        __entry->p2p = sdata->vif.p2p;                                  \
-                        __assign_str(vif_name, sdata->dev ? sdata->dev->name : sdata->name)
+                        __assign_str(vif_name, sdata->name)
 #define VIF_PR_FMT      " vif:%s(%d%s)"
 #define VIF_PR_ARG      __get_str(vif_name), __entry->vif_type, __entry->p2p ? "/p2p" : ""
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 275c94f995f7..3c365837e910 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1780,7 +1780,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
        mutex_unlock(&local->mtx);
        if (sched_scan_stopped)
-                cfg80211_sched_scan_stopped(local->hw.wiphy);
+                cfg80211_sched_scan_stopped_rtnl(local->hw.wiphy);
        /*
         * If this is for hw restart things are still running.
diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index e9e36a256165..9265adfdabfc 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -129,9 +129,12 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
        if (!vht_cap_ie || !sband->vht_cap.vht_supported)
                return;
-        /* A VHT STA must support 40 MHz */
+        /*
-        if (!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40))
+         * A VHT STA must support 40 MHz, but if we verify that here
-                return;
+         * then we break a few things - some APs (e.g. Netgear R6300v2
+         * and others based on the BCM4360 chipset) will unset this
+         * capability bit when operating in 20 MHz.
+         */
        vht_cap->vht_supported = true;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index ccc46fa5edbc..58579634427d 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1336,6 +1336,9 @@ ctnetlink_setup_nat(struct nf_conn *ct, const struct nlattr * const cda[])
 #ifdef CONFIG_NF_NAT_NEEDED
        int ret;
+        if (!cda[CTA_NAT_DST] && !cda[CTA_NAT_SRC])
+                return 0;
        ret = ctnetlink_parse_nat_setup(ct, NF_NAT_MANIP_DST,
                                        cda[CTA_NAT_DST]);
        if (ret < 0)
diff --git a/net/netfilter/nf_tables_core.c b/net/netfilter/nf_tables_core.c
index 804105391b9a..345acfb1720b 100644
--- a/net/netfilter/nf_tables_core.c
+++ b/net/netfilter/nf_tables_core.c
@@ -66,20 +66,6 @@ struct nft_jumpstack {
        int                     rulenum;
 };
-static inline void
-nft_chain_stats(const struct nft_chain *this, const struct nft_pktinfo *pkt,
-                struct nft_jumpstack *jumpstack, unsigned int stackptr)
-{
-        struct nft_stats __percpu *stats;
-        const struct nft_chain *chain = stackptr ? jumpstack[0].chain : this;
-        rcu_read_lock_bh();
-        stats = rcu_dereference(nft_base_chain(chain)->stats);
-        __this_cpu_inc(stats->pkts);
-        __this_cpu_add(stats->bytes, pkt->skb->len);
-        rcu_read_unlock_bh();
-}
 enum nft_trace {
        NFT_TRACE_RULE,
        NFT_TRACE_RETURN,
@@ -117,13 +103,14 @@ static void nft_trace_packet(const struct nft_pktinfo *pkt,
 unsigned int
 nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
 {
-        const struct nft_chain *chain = ops->priv;
+        const struct nft_chain *chain = ops->priv, *basechain = chain;
        const struct nft_rule *rule;
        const struct nft_expr *expr, *last;
        struct nft_data data[NFT_REG_MAX + 1];
        unsigned int stackptr = 0;
        struct nft_jumpstack jumpstack[NFT_JUMP_STACK_SIZE];
-        int rulenum = 0;
+        struct nft_stats __percpu *stats;
+        int rulenum;
        /*
         * Cache cursor to avoid problems in case that the cursor is updated
         * while traversing the ruleset.
@@ -131,6 +118,7 @@ nft_do_chain(struct nft_pktinfo *pkt, const struct nf_hook_ops *ops)
        unsigned int gencursor = ACCESS_ONCE(chain->net->nft.gencursor);
 do_chain:
+        rulenum = 0;
        rule = list_entry(&chain->rules, struct nft_rule, list);
 next_rule:
        data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
@@ -156,8 +144,10 @@ next_rule:
                switch (data[NFT_REG_VERDICT].verdict) {
                case NFT_BREAK:
                        data[NFT_REG_VERDICT].verdict = NFT_CONTINUE;
-                        /* fall through */
+                        continue;
                case NFT_CONTINUE:
+                        if (unlikely(pkt->skb->nf_trace))
+                                nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RULE);
                        continue;
                }
                break;
@@ -183,37 +173,44 @@ next_rule:
                jumpstack[stackptr].rule  = rule;
                jumpstack[stackptr].rulenum = rulenum;
                stackptr++;
-                /* fall through */
+                chain = data[NFT_REG_VERDICT].chain;
+                goto do_chain;
        case NFT_GOTO:
+                if (unlikely(pkt->skb->nf_trace))
+                        nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RULE);
                chain = data[NFT_REG_VERDICT].chain;
                goto do_chain;
        case NFT_RETURN:
                if (unlikely(pkt->skb->nf_trace))
                        nft_trace_packet(pkt, chain, rulenum, NFT_TRACE_RETURN);
+                break;
-                /* fall through */
        case NFT_CONTINUE:
+                if (unlikely(pkt->skb->nf_trace && !(chain->flags & NFT_BASE_CHAIN)))
+                        nft_trace_packet(pkt, chain, ++rulenum, NFT_TRACE_RETURN);
                break;
        default:
                WARN_ON(1);
        }
        if (stackptr > 0) {
-                if (unlikely(pkt->skb->nf_trace))
-                        nft_trace_packet(pkt, chain, ++rulenum, NFT_TRACE_RETURN);
                stackptr--;
                chain = jumpstack[stackptr].chain;
                rule  = jumpstack[stackptr].rule;
                rulenum = jumpstack[stackptr].rulenum;
                goto next_rule;
        }
-        nft_chain_stats(chain, pkt, jumpstack, stackptr);
        if (unlikely(pkt->skb->nf_trace))
-                nft_trace_packet(pkt, chain, ++rulenum, NFT_TRACE_POLICY);
+                nft_trace_packet(pkt, basechain, -1, NFT_TRACE_POLICY);
+        rcu_read_lock_bh();
+        stats = rcu_dereference(nft_base_chain(basechain)->stats);
+        __this_cpu_inc(stats->pkts);
+        __this_cpu_add(stats->bytes, pkt->skb->len);
+        rcu_read_unlock_bh();
-        return nft_base_chain(chain)->policy;
+        return nft_base_chain(basechain)->policy;
 }
 EXPORT_SYMBOL_GPL(nft_do_chain);
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index e009087620e3..23ef77c60fff 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -256,15 +256,15 @@ replay:
 #endif
                {
                        nfnl_unlock(subsys_id);
-                        kfree_skb(nskb);
+                        netlink_ack(skb, nlh, -EOPNOTSUPP);
-                        return netlink_ack(skb, nlh, -EOPNOTSUPP);
+                        return kfree_skb(nskb);
                }
        }
        if (!ss->commit || !ss->abort) {
                nfnl_unlock(subsys_id);
-                kfree_skb(nskb);
+                netlink_ack(skb, nlh, -EOPNOTSUPP);
-                return netlink_ack(skb, nlh, -EOPNOTSUPP);
+                return kfree_skb(skb);
        }
        while (skb->len >= nlmsg_total_size(0)) {
diff --git a/net/rxrpc/ar-key.c b/net/rxrpc/ar-key.c
index 7633a752c65e..0ad080790a32 100644
--- a/net/rxrpc/ar-key.c
+++ b/net/rxrpc/ar-key.c
@@ -99,7 +99,7 @@ static int rxrpc_instantiate_xdr_rxkad(struct key *key, const __be32 *xdr,
        _debug("tktlen: %x", tktlen);
        if (tktlen > AFSTOKEN_RK_TIX_MAX)
                return -EKEYREJECTED;
-        if (8 * 4 + tktlen != toklen)
+        if (toklen < 8 * 4 + tktlen)
                return -EKEYREJECTED;
        plen = sizeof(*token) + sizeof(*token->kad) + tktlen;
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index eed8404443d8..f435a88d899a 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -188,6 +188,12 @@ static const struct nla_policy tcindex_policy[TCA_TCINDEX_MAX + 1] = {
        [TCA_TCINDEX_CLASSID]           = { .type = NLA_U32 },
 };
+static void tcindex_filter_result_init(struct tcindex_filter_result *r)
+{
+        memset(r, 0, sizeof(*r));
+        tcf_exts_init(&r->exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
+}
 static int
 tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
                  u32 handle, struct tcindex_data *p,
@@ -207,15 +213,11 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
                return err;
        memcpy(&cp, p, sizeof(cp));
-        memset(&new_filter_result, 0, sizeof(new_filter_result));
+        tcindex_filter_result_init(&new_filter_result);
-        tcf_exts_init(&new_filter_result.exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
+        tcindex_filter_result_init(&cr);
        if (old_r)
-                memcpy(&cr, r, sizeof(cr));
+                cr.res = r->res;
-        else {
-                memset(&cr, 0, sizeof(cr));
-                tcf_exts_init(&cr.exts, TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
-        }
        if (tb[TCA_TCINDEX_HASH])
                cp.hash = nla_get_u32(tb[TCA_TCINDEX_HASH]);
@@ -267,9 +269,14 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
        err = -ENOMEM;
        if (!cp.perfect && !cp.h) {
                if (valid_perfect_hash(&cp)) {
+                        int i;
                        cp.perfect = kcalloc(cp.hash, sizeof(*r), GFP_KERNEL);
                        if (!cp.perfect)
                                goto errout;
+                        for (i = 0; i < cp.hash; i++)
+                                tcf_exts_init(&cp.perfect[i].exts, TCA_TCINDEX_ACT,
+                                              TCA_TCINDEX_POLICE);
                        balloc = 1;
                } else {
                        cp.h = kcalloc(cp.hash, sizeof(f), GFP_KERNEL);
@@ -295,14 +302,17 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
                tcf_bind_filter(tp, &cr.res, base);
        }
-        tcf_exts_change(tp, &cr.exts, &e);
+        if (old_r)
+                tcf_exts_change(tp, &r->exts, &e);
+        else
+                tcf_exts_change(tp, &cr.exts, &e);
        tcf_tree_lock(tp);
        if (old_r && old_r != r)
-                memset(old_r, 0, sizeof(*old_r));
+                tcindex_filter_result_init(old_r);
        memcpy(p, &cp, sizeof(cp));
-        memcpy(r, &cr, sizeof(cr));
+        r->res = cr.res;
        if (r == &new_filter_result) {
                struct tcindex_filter **fp;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 7d09a712cb1f..88f108edfb58 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -284,14 +284,22 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy)
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_results);
-void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy)
 {
        struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
+        ASSERT_RTNL();
        trace_cfg80211_sched_scan_stopped(wiphy);
-        rtnl_lock();
        __cfg80211_stop_sched_scan(rdev, true);
+}
+EXPORT_SYMBOL(cfg80211_sched_scan_stopped_rtnl);
+void cfg80211_sched_scan_stopped(struct wiphy *wiphy)
+{
+        rtnl_lock();
+        cfg80211_sched_scan_stopped_rtnl(wiphy);
        rtnl_unlock();
 }
 EXPORT_SYMBOL(cfg80211_sched_scan_stopped);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index acdcb4a81817..3546a77033de 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -234,7 +234,6 @@ void cfg80211_conn_work(struct work_struct *work)
                                        NULL, 0, NULL, 0,
                                        WLAN_STATUS_UNSPECIFIED_FAILURE,
                                        false, NULL);
-                        cfg80211_sme_free(wdev);
                }
                wdev_unlock(wdev);
        }
@@ -648,6 +647,7 @@ void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
                        cfg80211_unhold_bss(bss_from_pub(bss));
                        cfg80211_put_bss(wdev->wiphy, bss);
                }
+                cfg80211_sme_free(wdev);
                return;
        }