Merge tag 'v3.16-rc5' into next/fixes-non-critical

Linux 3.16-rc5

1 files changed, 128 insertions, 14 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7ed3a3aa6604..66f9a04ec270 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -56,9 +56,6 @@ struct device;
 struct phy_device;
 /* 802.11 specific */
 struct wireless_dev;
-                                        /* source back-compat hooks */
-#define SET_ETHTOOL_OPS(netdev,ops) \
-        ( (netdev)->ethtool_ops = (ops) )
 
 void netdev_set_default_ethtool_ops(struct net_device *dev,
                                     const struct ethtool_ops *ops);
@@ -493,7 +490,7 @@ static inline void napi_disable(struct napi_struct *n)
 static inline void napi_enable(struct napi_struct *n)
 {
         BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state));
-        smp_mb__before_clear_bit();
+        smp_mb__before_atomic();
         clear_bit(NAPI_STATE_SCHED, &n->state);
 }
 
@@ -853,7 +850,8 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
  *      SR-IOV management functions.
  * int (*ndo_set_vf_mac)(struct net_device *dev, int vf, u8* mac);
  * int (*ndo_set_vf_vlan)(struct net_device *dev, int vf, u16 vlan, u8 qos);
- * int (*ndo_set_vf_tx_rate)(struct net_device *dev, int vf, int rate);
+ * int (*ndo_set_vf_rate)(struct net_device *dev, int vf, int min_tx_rate,
+ *                        int max_tx_rate);
  * int (*ndo_set_vf_spoofchk)(struct net_device *dev, int vf, bool setting);
  * int (*ndo_get_vf_config)(struct net_device *dev,
  *                          int vf, struct ifla_vf_info *ivf);
@@ -1047,8 +1045,9 @@ struct net_device_ops {
                                                   int queue, u8 *mac);
         int                     (*ndo_set_vf_vlan)(struct net_device *dev,
                                                    int queue, u16 vlan, u8 qos);
-        int                     (*ndo_set_vf_tx_rate)(struct net_device *dev,
-                                                      int vf, int rate);
+        int                     (*ndo_set_vf_rate)(struct net_device *dev,
+                                                   int vf, int min_tx_rate,
+                                                   int max_tx_rate);
         int                     (*ndo_set_vf_spoofchk)(struct net_device *dev,
                                                        int vf, bool setting);
         int                     (*ndo_get_vf_config)(struct net_device *dev,
@@ -1144,6 +1143,7 @@ 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);
 };
 
 /**
@@ -2633,6 +2633,7 @@ int dev_get_phys_port_id(struct net_device *dev,
                          struct netdev_phys_port_id *ppid);
 int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
                         struct netdev_queue *txq);
+int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
 int dev_forward_skb(struct net_device *dev, struct sk_buff *skb);
 bool is_skb_forwardable(struct net_device *dev, struct sk_buff *skb);
 
@@ -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)
@@ -2997,6 +3003,15 @@ int __hw_addr_sync(struct netdev_hw_addr_list *to_list,
                    struct netdev_hw_addr_list *from_list, int addr_len);
 void __hw_addr_unsync(struct netdev_hw_addr_list *to_list,
                       struct netdev_hw_addr_list *from_list, int addr_len);
+int __hw_addr_sync_dev(struct netdev_hw_addr_list *list,
+                       struct net_device *dev,
+                       int (*sync)(struct net_device *, const unsigned char *),
+                       int (*unsync)(struct net_device *,
+                                     const unsigned char *));
+void __hw_addr_unsync_dev(struct netdev_hw_addr_list *list,
+                          struct net_device *dev,
+                          int (*unsync)(struct net_device *,
+                                        const unsigned char *));
 void __hw_addr_init(struct netdev_hw_addr_list *list);
 
 /* Functions used for device addresses handling */
@@ -3017,6 +3032,38 @@ void dev_uc_unsync(struct net_device *to, struct net_device *from);
 void dev_uc_flush(struct net_device *dev);
 void dev_uc_init(struct net_device *dev);
 
+/**
+ *  __dev_uc_sync - Synchonize device's unicast list
+ *  @dev:  device to sync
+ *  @sync: function to call if address should be added
+ *  @unsync: function to call if address should be removed
+ *
+ *  Add newly added addresses to the interface, and release
+ *  addresses that have been deleted.
+ **/
+static inline int __dev_uc_sync(struct net_device *dev,
+                                int (*sync)(struct net_device *,
+                                            const unsigned char *),
+                                int (*unsync)(struct net_device *,
+                                              const unsigned char *))
+{
+        return __hw_addr_sync_dev(&dev->uc, dev, sync, unsync);
+}
+
+/**
+ *  __dev_uc_unsync - Remove synchonized addresses from device
+ *  @dev:  device to sync
+ *  @unsync: function to call if address should be removed
+ *
+ *  Remove all addresses that were added to the device by dev_uc_sync().
+ **/
+static inline void __dev_uc_unsync(struct net_device *dev,
+                                   int (*unsync)(struct net_device *,
+                                                 const unsigned char *))
+{
+        __hw_addr_unsync_dev(&dev->uc, dev, unsync);
+}
+
 /* Functions used for multicast addresses handling */
 int dev_mc_add(struct net_device *dev, const unsigned char *addr);
 int dev_mc_add_global(struct net_device *dev, const unsigned char *addr);
@@ -3029,6 +3076,38 @@ void dev_mc_unsync(struct net_device *to, struct net_device *from);
 void dev_mc_flush(struct net_device *dev);
 void dev_mc_init(struct net_device *dev);
 
+/**
+ *  __dev_mc_sync - Synchonize device's multicast list
+ *  @dev:  device to sync
+ *  @sync: function to call if address should be added
+ *  @unsync: function to call if address should be removed
+ *
+ *  Add newly added addresses to the interface, and release
+ *  addresses that have been deleted.
+ **/
+static inline int __dev_mc_sync(struct net_device *dev,
+                                int (*sync)(struct net_device *,
+                                            const unsigned char *),
+                                int (*unsync)(struct net_device *,
+                                              const unsigned char *))
+{
+        return __hw_addr_sync_dev(&dev->mc, dev, sync, unsync);
+}
+
+/**
+ *  __dev_mc_unsync - Remove synchonized addresses from device
+ *  @dev:  device to sync
+ *  @unsync: function to call if address should be removed
+ *
+ *  Remove all addresses that were added to the device by dev_mc_sync().
+ **/
+static inline void __dev_mc_unsync(struct net_device *dev,
+                                   int (*unsync)(struct net_device *,
+                                                 const unsigned char *))
+{
+        __hw_addr_unsync_dev(&dev->mc, dev, unsync);
+}
+
 /* Functions used for secondary unicast and multicast support */
 void dev_set_rx_mode(struct net_device *dev);
 void __dev_set_rx_mode(struct net_device *dev);
@@ -3050,10 +3129,19 @@ 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 +3165,14 @@ 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 +3188,8 @@ 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);
@@ -3155,6 +3253,20 @@ const char *netdev_drivername(const struct net_device *dev);
 
 void linkwatch_run_queue(void);
 
+static inline netdev_features_t netdev_intersect_features(netdev_features_t f1,
+                                                          netdev_features_t f2)
+{
+        if (f1 & NETIF_F_GEN_CSUM)
+                f1 |= (NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM);
+        if (f2 & NETIF_F_GEN_CSUM)
+                f2 |= (NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM);
+        f1 &= f2;
+        if (f1 & NETIF_F_GEN_CSUM)
+                f1 &= ~(NETIF_F_ALL_CSUM & ~NETIF_F_GEN_CSUM);
+
+        return f1;
+}
+
 static inline netdev_features_t netdev_get_wanted_features(
         struct net_device *dev)
 {
@@ -3180,12 +3292,7 @@ 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,
-                                         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);
-}
+netdev_features_t netif_skb_features(struct sk_buff *skb);
 
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
@@ -3198,6 +3305,13 @@ static inline bool net_gso_ok(netdev_features_t features, int gso_type)
         BUILD_BUG_ON(SKB_GSO_TCP_ECN != (NETIF_F_TSO_ECN >> NETIF_F_GSO_SHIFT));
         BUILD_BUG_ON(SKB_GSO_TCPV6   != (NETIF_F_TSO6 >> NETIF_F_GSO_SHIFT));
         BUILD_BUG_ON(SKB_GSO_FCOE    != (NETIF_F_FSO >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_GRE     != (NETIF_F_GSO_GRE >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_GRE_CSUM != (NETIF_F_GSO_GRE_CSUM >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_IPIP    != (NETIF_F_GSO_IPIP >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_SIT     != (NETIF_F_GSO_SIT >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL != (NETIF_F_GSO_UDP_TUNNEL >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_UDP_TUNNEL_CSUM != (NETIF_F_GSO_UDP_TUNNEL_CSUM >> NETIF_F_GSO_SHIFT));
+        BUILD_BUG_ON(SKB_GSO_MPLS    != (NETIF_F_GSO_MPLS >> NETIF_F_GSO_SHIFT));
 
         return (features & feature) == feature;
 }