1 files changed, 66 insertions, 29 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index b3d00fa4b314..60584b185a0c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -144,8 +144,6 @@ static inline bool dev_xmit_complete(int rc)
 # else
 #  define LL_MAX_HEADER 96
 # endif
-#elif IS_ENABLED(CONFIG_TR)
-# define LL_MAX_HEADER 48
 #else
 # define LL_MAX_HEADER 32
 #endif
@@ -210,9 +208,10 @@ struct netdev_hw_addr {
 #define NETDEV_HW_ADDR_T_SLAVE          3
 #define NETDEV_HW_ADDR_T_UNICAST        4
 #define NETDEV_HW_ADDR_T_MULTICAST      5
-        bool                    synced;
         bool                    global_use;
+        int                     sync_cnt;
         int                     refcount;
+        int                     synced;
         struct rcu_head         rcu_head;
 };
 
@@ -594,7 +593,6 @@ struct rps_dev_flow {
 struct rps_dev_flow_table {
         unsigned int mask;
         struct rcu_head rcu;
-        struct work_struct free_work;
         struct rps_dev_flow flows[0];
 };
 #define RPS_DEV_FLOW_TABLE_SIZE(_num) (sizeof(struct rps_dev_flow_table) + \
@@ -785,13 +783,13 @@ struct netdev_fcoe_hbainfo {
  *      3. Update dev->stats asynchronously and atomically, and define
  *         neither operation.
  *
- * int (*ndo_vlan_rx_add_vid)(struct net_device *dev, unsigned short vid);
- *      If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER)
- *      this function is called when a VLAN id is registered.
+ * int (*ndo_vlan_rx_add_vid)(struct net_device *dev, __be16 proto, u16t vid);
+ *      If device support VLAN filtering this function is called when a
+ *      VLAN id is registered.
  *
  * int (*ndo_vlan_rx_kill_vid)(struct net_device *dev, unsigned short vid);
- *      If device support VLAN filtering (dev->features & NETIF_F_HW_VLAN_FILTER)
- *      this function is called when a VLAN id is unregistered.
+ *      If device support VLAN filtering this function is called when a
+ *      VLAN id is unregistered.
  *
  * void (*ndo_poll_controller)(struct net_device *dev);
  *
@@ -895,7 +893,7 @@ struct netdev_fcoe_hbainfo {
  *
  * int (*ndo_bridge_setlink)(struct net_device *dev, struct nlmsghdr *nlh)
  * int (*ndo_bridge_getlink)(struct sk_buff *skb, u32 pid, u32 seq,
- *                           struct net_device *dev)
+ *                           struct net_device *dev, u32 filter_mask)
  *
  * int (*ndo_change_carrier)(struct net_device *dev, bool new_carrier);
  *      Called to change device carrier. Soft-devices (like dummy, team, etc)
@@ -935,9 +933,9 @@ struct net_device_ops {
         struct net_device_stats* (*ndo_get_stats)(struct net_device *dev);
 
         int                     (*ndo_vlan_rx_add_vid)(struct net_device *dev,
-                                                       unsigned short vid);
+                                                       __be16 proto, u16 vid);
         int                     (*ndo_vlan_rx_kill_vid)(struct net_device *dev,
-                                                        unsigned short vid);
+                                                        __be16 proto, u16 vid);
 #ifdef CONFIG_NET_POLL_CONTROLLER
         void                    (*ndo_poll_controller)(struct net_device *dev);
         int                     (*ndo_netpoll_setup)(struct net_device *dev,
@@ -1073,6 +1071,8 @@ struct net_device {
         struct list_head        dev_list;
         struct list_head        napi_list;
         struct list_head        unreg_list;
+        struct list_head        upper_dev_list; /* List of upper devices */
+
 
         /* currently active device features */
         netdev_features_t       features;
@@ -1145,6 +1145,13 @@ struct net_device {
         spinlock_t              addr_list_lock;
         struct netdev_hw_addr_list      uc;     /* Unicast mac addresses */
         struct netdev_hw_addr_list      mc;     /* Multicast mac addresses */
+        struct netdev_hw_addr_list      dev_addrs; /* list of device
+                                                    * hw addresses
+                                                    */
+#ifdef CONFIG_SYSFS
+        struct kset             *queues_kset;
+#endif
+
         bool                    uc_promisc;
         unsigned int            promiscuity;
         unsigned int            allmulti;
@@ -1177,21 +1184,11 @@ struct net_device {
                                                  * avoid dirtying this cache line.
                                                  */
 
-        struct list_head        upper_dev_list; /* List of upper devices */
-
         /* Interface address info used in eth_type_trans() */
         unsigned char           *dev_addr;      /* hw address, (before bcast
                                                    because most packets are
                                                    unicast) */
 
-        struct netdev_hw_addr_list      dev_addrs; /* list of device
-                                                      hw addresses */
-
-        unsigned char           broadcast[MAX_ADDR_LEN];        /* hw bcast add */
-
-#ifdef CONFIG_SYSFS
-        struct kset             *queues_kset;
-#endif
 
 #ifdef CONFIG_RPS
         struct netdev_rx_queue  *_rx;
@@ -1202,18 +1199,14 @@ struct net_device {
         /* Number of RX queues currently active in device */
         unsigned int            real_num_rx_queues;
 
-#ifdef CONFIG_RFS_ACCEL
-        /* CPU reverse-mapping for RX completion interrupts, indexed
-         * by RX queue number.  Assigned by driver.  This must only be
-         * set if the ndo_rx_flow_steer operation is defined. */
-        struct cpu_rmap         *rx_cpu_rmap;
-#endif
 #endif
 
         rx_handler_func_t __rcu *rx_handler;
         void __rcu              *rx_handler_data;
 
         struct netdev_queue __rcu *ingress_queue;
+        unsigned char           broadcast[MAX_ADDR_LEN];        /* hw bcast add */
+
 
 /*
  * Cache lines mostly used on transmit path
@@ -1235,6 +1228,12 @@ struct net_device {
 #ifdef CONFIG_XPS
         struct xps_dev_maps __rcu *xps_maps;
 #endif
+#ifdef CONFIG_RFS_ACCEL
+        /* CPU reverse-mapping for RX completion interrupts, indexed
+         * by RX queue number.  Assigned by driver.  This must only be
+         * set if the ndo_rx_flow_steer operation is defined. */
+        struct cpu_rmap         *rx_cpu_rmap;
+#endif
 
         /* These may be needed for future network-power-down code. */
 
@@ -1475,6 +1474,11 @@ static inline void *netdev_priv(const struct net_device *dev)
  */
 #define SET_NETDEV_DEVTYPE(net, devtype)        ((net)->dev.type = (devtype))
 
+/* Default NAPI poll() weight
+ * Device drivers are strongly advised to not use bigger value
+ */
+#define NAPI_POLL_WEIGHT 64
+
 /**
  *      netif_napi_add - initialize a napi context
  *      @dev:  network device
@@ -1612,6 +1616,9 @@ extern seqcount_t	devnet_rename_seq;	/* Device rename seq */
                 list_for_each_entry_continue(d, &(net)->dev_base_head, dev_list)
 #define for_each_netdev_continue_rcu(net, d)            \
         list_for_each_entry_continue_rcu(d, &(net)->dev_base_head, dev_list)
+#define for_each_netdev_in_bond_rcu(bond, slave)        \
+                for_each_netdev_rcu(&init_net, slave)   \
+                        if (netdev_master_upper_dev_get_rcu(slave) == bond)
 #define net_device_entry(lh)    list_entry(lh, struct net_device, dev_list)
 
 static inline struct net_device *next_net_device(struct net_device *dev)
@@ -1684,7 +1691,6 @@ extern int 		netdev_refcnt_read(const struct net_device *dev);
 extern void             free_netdev(struct net_device *dev);
 extern void             synchronize_net(void);
 extern int              init_dummy_netdev(struct net_device *dev);
-extern void             netdev_resync_ops(struct net_device *dev);
 
 extern struct net_device        *dev_get_by_index(struct net *net, int ifindex);
 extern struct net_device        *__dev_get_by_index(struct net *net, int ifindex);
@@ -2621,6 +2627,7 @@ extern int dev_uc_add(struct net_device *dev, const unsigned char *addr);
 extern int dev_uc_add_excl(struct net_device *dev, const unsigned char *addr);
 extern int dev_uc_del(struct net_device *dev, const unsigned char *addr);
 extern int dev_uc_sync(struct net_device *to, struct net_device *from);
+extern int dev_uc_sync_multiple(struct net_device *to, struct net_device *from);
 extern void dev_uc_unsync(struct net_device *to, struct net_device *from);
 extern void dev_uc_flush(struct net_device *dev);
 extern void dev_uc_init(struct net_device *dev);
@@ -2632,6 +2639,7 @@ extern int dev_mc_add_excl(struct net_device *dev, const unsigned char *addr);
 extern int dev_mc_del(struct net_device *dev, const unsigned char *addr);
 extern int dev_mc_del_global(struct net_device *dev, const unsigned char *addr);
 extern int dev_mc_sync(struct net_device *to, struct net_device *from);
+extern int dev_mc_sync_multiple(struct net_device *to, struct net_device *from);
 extern void dev_mc_unsync(struct net_device *to, struct net_device *from);
 extern void dev_mc_flush(struct net_device *dev);
 extern void dev_mc_init(struct net_device *dev);
@@ -2678,6 +2686,19 @@ struct sk_buff *skb_gso_segment(struct sk_buff *skb, netdev_features_t features)
 {
         return __skb_gso_segment(skb, features, true);
 }
+__be16 skb_network_protocol(struct sk_buff *skb);
+
+static inline bool can_checksum_protocol(netdev_features_t features,
+                                         __be16 protocol)
+{
+        return ((features & NETIF_F_GEN_CSUM) ||
+                ((features & NETIF_F_V4_CSUM) &&
+                 protocol == htons(ETH_P_IP)) ||
+                ((features & NETIF_F_V6_CSUM) &&
+                 protocol == htons(ETH_P_IPV6)) ||
+                ((features & NETIF_F_FCOE_CRC) &&
+                 protocol == htons(ETH_P_FCOE)));
+}
 
 #ifdef CONFIG_BUG
 extern void netdev_rx_csum_fault(struct net_device *dev);
@@ -2712,6 +2733,17 @@ static inline netdev_features_t netdev_get_wanted_features(
 }
 netdev_features_t netdev_increment_features(netdev_features_t all,
         netdev_features_t one, netdev_features_t mask);
+
+/* Allow TSO being used on stacked device :
+ * Performing the GSO segmentation before last device
+ * is a performance improvement.
+ */
+static inline netdev_features_t netdev_add_tso_features(netdev_features_t features,
+                                                        netdev_features_t mask)
+{
+        return netdev_increment_features(features, NETIF_F_ALL_TSO, mask);
+}
+
 int __netdev_update_features(struct net_device *dev);
 void netdev_update_features(struct net_device *dev);
 void netdev_change_features(struct net_device *dev);
@@ -2756,6 +2788,11 @@ static inline void netif_set_gso_max_size(struct net_device *dev,
         dev->gso_max_size = size;
 }
 
+static inline bool netif_is_bond_master(struct net_device *dev)
+{
+        return dev->flags & IFF_MASTER && dev->priv_flags & IFF_BONDING;
+}
+
 static inline bool netif_is_bond_slave(struct net_device *dev)
 {
         return dev->flags & IFF_SLAVE && dev->priv_flags & IFF_BONDING;