Merge branch 'fix/kconfig' into for-linus

1 files changed, 27 insertions, 26 deletions

diff --git a/net/core/dev.c b/net/core/dev.c
index 939307891e71..17d67b579beb 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -199,6 +199,11 @@ static struct list_head ptype_all __read_mostly;	/* Taps */
 DEFINE_RWLOCK(dev_base_lock);
 EXPORT_SYMBOL(dev_base_lock);
 
+static inline void dev_base_seq_inc(struct net *net)
+{
+        while (++net->dev_base_seq == 0);
+}
+
 static inline struct hlist_head *dev_name_hash(struct net *net, const char *name)
 {
         unsigned hash = full_name_hash(name, strnlen(name, IFNAMSIZ));
@@ -237,6 +242,9 @@ static int list_netdevice(struct net_device *dev)
         hlist_add_head_rcu(&dev->index_hlist,
                            dev_index_hash(net, dev->ifindex));
         write_unlock_bh(&dev_base_lock);
+
+        dev_base_seq_inc(net);
+
         return 0;
 }
 
@@ -253,6 +261,8 @@ static void unlist_netdevice(struct net_device *dev)
         hlist_del_rcu(&dev->name_hlist);
         hlist_del_rcu(&dev->index_hlist);
         write_unlock_bh(&dev_base_lock);
+
+        dev_base_seq_inc(dev_net(dev));
 }
 
 /*
@@ -2532,7 +2542,7 @@ __u32 __skb_get_rxhash(struct sk_buff *skb)
                         goto done;
 
                 ip = (const struct iphdr *) (skb->data + nhoff);
-                if (ip->frag_off & htons(IP_MF | IP_OFFSET))
+                if (ip_is_fragment(ip))
                         ip_proto = 0;
                 else
                         ip_proto = ip->protocol;
@@ -3114,7 +3124,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
 
         skb_reset_network_header(skb);
         skb_reset_transport_header(skb);
-        skb->mac_len = skb->network_header - skb->mac_header;
+        skb_reset_mac_len(skb);
 
         pt_prev = NULL;
 
@@ -4487,10 +4497,10 @@ void __dev_set_rx_mode(struct net_device *dev)
                  */
                 if (!netdev_uc_empty(dev) && !dev->uc_promisc) {
                         __dev_set_promiscuity(dev, 1);
-                        dev->uc_promisc = 1;
+                        dev->uc_promisc = true;
                 } else if (netdev_uc_empty(dev) && dev->uc_promisc) {
                         __dev_set_promiscuity(dev, -1);
-                        dev->uc_promisc = 0;
+                        dev->uc_promisc = false;
                 }
 
                 if (ops->ndo_set_multicast_list)
@@ -5199,7 +5209,7 @@ static void rollback_registered(struct net_device *dev)
         list_del(&single);
 }
 
-u32 netdev_fix_features(struct net_device *dev, u32 features)
+static u32 netdev_fix_features(struct net_device *dev, u32 features)
 {
         /* Fix illegal checksum combinations */
         if ((features & NETIF_F_HW_CSUM) &&
@@ -5258,7 +5268,6 @@ u32 netdev_fix_features(struct net_device *dev, u32 features)
 
         return features;
 }
-EXPORT_SYMBOL(netdev_fix_features);
 
 int __netdev_update_features(struct net_device *dev)
 {
@@ -5478,11 +5487,9 @@ int register_netdevice(struct net_device *dev)
                 dev->features |= NETIF_F_NOCACHE_COPY;
         }
 
-        /* Enable GRO and NETIF_F_HIGHDMA for vlans by default,
-         * vlan_dev_init() will do the dev->features check, so these features
-         * are enabled only if supported by underlying device.
+        /* Make NETIF_F_HIGHDMA inheritable to VLAN devices.
          */
-        dev->vlan_features |= (NETIF_F_GRO | NETIF_F_HIGHDMA);
+        dev->vlan_features |= NETIF_F_HIGHDMA;
 
         ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
         ret = notifier_to_errno(ret);
@@ -5867,8 +5874,6 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
 
         dev->gso_max_size = GSO_MAX_SIZE;
 
-        INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
-        dev->ethtool_ntuple_list.count = 0;
         INIT_LIST_HEAD(&dev->napi_list);
         INIT_LIST_HEAD(&dev->unreg_list);
         INIT_LIST_HEAD(&dev->link_watch_list);
@@ -5932,9 +5937,6 @@ void free_netdev(struct net_device *dev)
         /* Flush device addresses */
         dev_addr_flush(dev);
 
-        /* Clear ethtool n-tuple list */
-        ethtool_ntuple_flush(dev);
-
         list_for_each_entry_safe(p, n, &dev->napi_list, dev_list)
                 netif_napi_del(p);
 
@@ -6178,6 +6180,11 @@ static int dev_cpu_callback(struct notifier_block *nfb,
                 oldsd->output_queue = NULL;
                 oldsd->output_queue_tailp = &oldsd->output_queue;
         }
+        /* Append NAPI poll list from offline CPU. */
+        if (!list_empty(&oldsd->poll_list)) {
+                list_splice_init(&oldsd->poll_list, &sd->poll_list);
+                raise_softirq_irqoff(NET_RX_SOFTIRQ);
+        }
 
         raise_softirq_irqoff(NET_TX_SOFTIRQ);
         local_irq_enable();
@@ -6264,29 +6271,23 @@ err_name:
 /**
  *      netdev_drivername - network driver for the device
  *      @dev: network device
- *      @buffer: buffer for resulting name
- *      @len: size of buffer
  *
  *      Determine network driver for device.
  */
-char *netdev_drivername(const struct net_device *dev, char *buffer, int len)
+const char *netdev_drivername(const struct net_device *dev)
 {
         const struct device_driver *driver;
         const struct device *parent;
-
-        if (len <= 0 || !buffer)
-                return buffer;
-        buffer[0] = 0;
+        const char *empty = "";
 
         parent = dev->dev.parent;
-
         if (!parent)
-                return buffer;
+                return empty;
 
         driver = parent->driver;
         if (driver && driver->name)
-                strlcpy(buffer, driver->name, len);
-        return buffer;
+                return driver->name;
+        return empty;
 }
 
 static int __netdev_printk(const char *level, const struct net_device *dev,