Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 73 insertions, 69 deletions

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 278738873703..bcbde799ec69 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -261,7 +261,6 @@ struct header_ops {
                            unsigned short type, const void *daddr,
                            const void *saddr, unsigned int len);
         int     (*parse)(const struct sk_buff *skb, unsigned char *haddr);
-        int     (*rebuild)(struct sk_buff *skb);
         int     (*cache)(const struct neighbour *neigh, struct hh_cache *hh, __be16 type);
         void    (*cache_update)(struct hh_cache *hh,
                                 const struct net_device *dev,
@@ -588,6 +587,7 @@ struct netdev_queue {
 #ifdef CONFIG_BQL
         struct dql              dql;
 #endif
+        unsigned long           tx_maxrate;
 } ____cacheline_aligned_in_smp;
 
 static inline int netdev_queue_numa_node_read(const struct netdev_queue *q)
@@ -795,7 +795,10 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
  * netdev_tx_t (*ndo_start_xmit)(struct sk_buff *skb,
  *                               struct net_device *dev);
  *      Called when a packet needs to be transmitted.
- *      Must return NETDEV_TX_OK , NETDEV_TX_BUSY.
+ *      Returns NETDEV_TX_OK.  Can return NETDEV_TX_BUSY, but you should stop
+ *      the queue before that can happen; it's for obsolete devices and weird
+ *      corner cases, but the stack really does a non-trivial amount
+ *      of useless work if you return NETDEV_TX_BUSY.
  *        (can also return NETDEV_TX_LOCKED iff NETIF_F_LLTX)
  *      Required can not be NULL.
  *
@@ -875,6 +878,11 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
  * int (*ndo_set_vf_link_state)(struct net_device *dev, int vf, int link_state);
  * int (*ndo_set_vf_port)(struct net_device *dev, int vf,
  *                        struct nlattr *port[]);
+ *
+ *      Enable or disable the VF ability to query its RSS Redirection Table and
+ *      Hash Key. This is needed since on some devices VF share this information
+ *      with PF and querying it may adduce a theoretical security risk.
+ * int (*ndo_set_vf_rss_query_en)(struct net_device *dev, int vf, bool setting);
  * int (*ndo_get_vf_port)(struct net_device *dev, int vf, struct sk_buff *skb);
  * int (*ndo_setup_tc)(struct net_device *dev, u8 tc)
  *      Called to setup 'tc' number of traffic classes in the net device. This
@@ -1026,15 +1034,12 @@ typedef u16 (*select_queue_fallback_t)(struct net_device *dev,
  *      be otherwise expressed by feature flags. The check is called with
  *      the set of features that the stack has calculated and it returns
  *      those the driver believes to be appropriate.
- *
- * int (*ndo_switch_parent_id_get)(struct net_device *dev,
- *                                 struct netdev_phys_item_id *psid);
- *      Called to get an ID of the switch chip this port is part of.
- *      If driver implements this, it indicates that it represents a port
- *      of a switch chip.
- * int (*ndo_switch_port_stp_update)(struct net_device *dev, u8 state);
- *      Called to notify switch device port of bridge port STP
- *      state change.
+ * int (*ndo_set_tx_maxrate)(struct net_device *dev,
+ *                           int queue_index, u32 maxrate);
+ *      Called when a user wants to set a max-rate limitation of specific
+ *      TX queue.
+ * int (*ndo_get_iflink)(const struct net_device *dev);
+ *      Called to get the iflink value of this device.
  */
 struct net_device_ops {
         int                     (*ndo_init)(struct net_device *dev);
@@ -1099,6 +1104,9 @@ struct net_device_ops {
                                                    struct nlattr *port[]);
         int                     (*ndo_get_vf_port)(struct net_device *dev,
                                                    int vf, struct sk_buff *skb);
+        int                     (*ndo_set_vf_rss_query_en)(
+                                                   struct net_device *dev,
+                                                   int vf, bool setting);
         int                     (*ndo_setup_tc)(struct net_device *dev, u8 tc);
 #if IS_ENABLED(CONFIG_FCOE)
         int                     (*ndo_fcoe_enable)(struct net_device *dev);
@@ -1172,6 +1180,8 @@ struct net_device_ops {
                                                       bool new_carrier);
         int                     (*ndo_get_phys_port_id)(struct net_device *dev,
                                                         struct netdev_phys_item_id *ppid);
+        int                     (*ndo_get_phys_port_name)(struct net_device *dev,
+                                                          char *name, size_t len);
         void                    (*ndo_add_vxlan_port)(struct  net_device *dev,
                                                       sa_family_t sa_family,
                                                       __be16 port);
@@ -1191,12 +1201,10 @@ struct net_device_ops {
         netdev_features_t       (*ndo_features_check) (struct sk_buff *skb,
                                                        struct net_device *dev,
                                                        netdev_features_t features);
-#ifdef CONFIG_NET_SWITCHDEV
-        int                     (*ndo_switch_parent_id_get)(struct net_device *dev,
-                                                            struct netdev_phys_item_id *psid);
-        int                     (*ndo_switch_port_stp_update)(struct net_device *dev,
-                                                              u8 state);
-#endif
+        int                     (*ndo_set_tx_maxrate)(struct net_device *dev,
+                                                      int queue_index,
+                                                      u32 maxrate);
+        int                     (*ndo_get_iflink)(const struct net_device *dev);
 };
 
 /**
@@ -1305,6 +1313,8 @@ enum netdev_priv_flags {
  *      @base_addr:     Device I/O address
  *      @irq:           Device IRQ number
  *
+ *      @carrier_changes:       Stats to monitor carrier on<->off transitions
+ *
  *      @state:         Generic network queuing layer state, see netdev_state_t
  *      @dev_list:      The global list of network devices
  *      @napi_list:     List entry, that is used for polling napi devices
@@ -1328,7 +1338,7 @@ enum netdev_priv_flags {
  *      @mpls_features: Mask of features inheritable by MPLS
  *
  *      @ifindex:       interface index
- *      @iflink:        unique device identifier
+ *      @group:         The group, that the device belongs to
  *
  *      @stats:         Statistics struct, which was left as a legacy, use
  *                      rtnl_link_stats64 instead
@@ -1338,8 +1348,6 @@ enum netdev_priv_flags {
  *      @tx_dropped:    Dropped packets by core network,
  *                      do not use this in drivers
  *
- *      @carrier_changes:       Stats to monitor carrier on<->off transitions
- *
  *      @wireless_handlers:     List of functions to handle Wireless Extensions,
  *                              instead of ioctl,
  *                              see <net/iw_handler.h> for details.
@@ -1348,8 +1356,7 @@ enum netdev_priv_flags {
  *      @netdev_ops:    Includes several pointers to callbacks,
  *                      if one wants to override the ndo_*() functions
  *      @ethtool_ops:   Management operations
- *      @fwd_ops:       Management operations
- *      @header_ops:    Includes callbacks for creating,parsing,rebuilding,etc
+ *      @header_ops:    Includes callbacks for creating,parsing,caching,etc
  *                      of Layer 2 headers.
  *
  *      @flags:         Interface flags (a la BSD)
@@ -1383,14 +1390,14 @@ enum netdev_priv_flags {
  *      @dev_port:              Used to differentiate devices that share
  *                              the same function
  *      @addr_list_lock:        XXX: need comments on this one
- *      @uc:                    unicast mac addresses
- *      @mc:                    multicast mac addresses
- *      @dev_addrs:             list of device hw addresses
- *      @queues_kset:           Group of all Kobjects in the Tx and RX queues
  *      @uc_promisc:            Counter, that indicates, that promiscuous mode
  *                              has been enabled due to the need to listen to
  *                              additional unicast addresses in a device that
  *                              does not implement ndo_set_rx_mode()
+ *      @uc:                    unicast mac addresses
+ *      @mc:                    multicast mac addresses
+ *      @dev_addrs:             list of device hw addresses
+ *      @queues_kset:           Group of all Kobjects in the Tx and RX queues
  *      @promiscuity:           Number of times, the NIC is told to work in
  *                              Promiscuous mode, if it becomes 0 the NIC will
  *                              exit from working in Promiscuous mode
@@ -1420,6 +1427,12 @@ enum netdev_priv_flags {
  *      @ingress_queue:         XXX: need comments on this one
  *      @broadcast:             hw bcast address
  *
+ *      @rx_cpu_rmap:   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
+ *      @index_hlist:           Device index hash chain
+ *
  *      @_tx:                   Array of TX queues
  *      @num_tx_queues:         Number of TX queues allocated at alloc_netdev_mq() time
  *      @real_num_tx_queues:    Number of TX queues currently active in device
@@ -1429,11 +1442,6 @@ enum netdev_priv_flags {
  *
  *      @xps_maps:      XXX: need comments on this one
  *
- *      @rx_cpu_rmap:   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
- *
  *      @trans_start:           Time (in jiffies) of last Tx
  *      @watchdog_timeo:        Represents the timeout that is used by
  *                              the watchdog ( see dev_watchdog() )
@@ -1441,7 +1449,6 @@ enum netdev_priv_flags {
  *
  *      @pcpu_refcnt:           Number of references to this device
  *      @todo_list:             Delayed register/unregister
- *      @index_hlist:           Device index hash chain
  *      @link_watch_list:       XXX: need comments on this one
  *
  *      @reg_state:             Register/unregister state machine
@@ -1489,7 +1496,6 @@ enum netdev_priv_flags {
  *
  *      @qdisc_tx_busylock:     XXX: need comments on this one
  *
- *      @group:         The group, that the device belongs to
  *      @pm_qos_req:    Power Management QoS object
  *
  *      FIXME: cleanup struct net_device such that network protocol info
@@ -1509,6 +1515,8 @@ struct net_device {
         unsigned long           base_addr;
         int                     irq;
 
+        atomic_t                carrier_changes;
+
         /*
          *      Some hardware also needs these fields (state,dev_list,
          *      napi_list,unreg_list,close_list) but they are not
@@ -1542,22 +1550,22 @@ struct net_device {
         netdev_features_t       mpls_features;
 
         int                     ifindex;
-        int                     iflink;
+        int                     group;
 
         struct net_device_stats stats;
 
         atomic_long_t           rx_dropped;
         atomic_long_t           tx_dropped;
 
-        atomic_t                carrier_changes;
-
 #ifdef CONFIG_WIRELESS_EXT
         const struct iw_handler_def *   wireless_handlers;
         struct iw_public_data * wireless_data;
 #endif
         const struct net_device_ops *netdev_ops;
         const struct ethtool_ops *ethtool_ops;
-        const struct forwarding_accel_ops *fwd_ops;
+#ifdef CONFIG_NET_SWITCHDEV
+        const struct swdev_ops *swdev_ops;
+#endif
 
         const struct header_ops *header_ops;
 
@@ -1588,6 +1596,8 @@ struct net_device {
         unsigned short          dev_id;
         unsigned short          dev_port;
         spinlock_t              addr_list_lock;
+        unsigned char           name_assign_type;
+        bool                    uc_promisc;
         struct netdev_hw_addr_list      uc;
         struct netdev_hw_addr_list      mc;
         struct netdev_hw_addr_list      dev_addrs;
@@ -1595,10 +1605,6 @@ struct net_device {
 #ifdef CONFIG_SYSFS
         struct kset             *queues_kset;
 #endif
-
-        unsigned char           name_assign_type;
-
-        bool                    uc_promisc;
         unsigned int            promiscuity;
         unsigned int            allmulti;
 
@@ -1645,7 +1651,10 @@ struct net_device {
 
         struct netdev_queue __rcu *ingress_queue;
         unsigned char           broadcast[MAX_ADDR_LEN];
-
+#ifdef CONFIG_RFS_ACCEL
+        struct cpu_rmap         *rx_cpu_rmap;
+#endif
+        struct hlist_node       index_hlist;
 
 /*
  * Cache lines mostly used on transmit path
@@ -1656,13 +1665,11 @@ struct net_device {
         struct Qdisc            *qdisc;
         unsigned long           tx_queue_len;
         spinlock_t              tx_global_lock;
+        int                     watchdog_timeo;
 
 #ifdef CONFIG_XPS
         struct xps_dev_maps __rcu *xps_maps;
 #endif
-#ifdef CONFIG_RFS_ACCEL
-        struct cpu_rmap         *rx_cpu_rmap;
-#endif
 
         /* These may be needed for future network-power-down code. */
 
@@ -1672,13 +1679,11 @@ struct net_device {
          */
         unsigned long           trans_start;
 
-        int                     watchdog_timeo;
         struct timer_list       watchdog_timer;
 
         int __percpu            *pcpu_refcnt;
         struct list_head        todo_list;
 
-        struct hlist_node       index_hlist;
         struct list_head        link_watch_list;
 
         enum { NETREG_UNINITIALIZED=0,
@@ -1702,9 +1707,7 @@ struct net_device {
         struct netpoll_info __rcu       *npinfo;
 #endif
 
-#ifdef CONFIG_NET_NS
-        struct net              *nd_net;
-#endif
+        possible_net_t                  nd_net;
 
         /* mid-layer private */
         union {
@@ -1745,8 +1748,6 @@ struct net_device {
 #endif
         struct phy_device *phydev;
         struct lock_class_key *qdisc_tx_busylock;
-        int group;
-        struct pm_qos_request   pm_qos_req;
 };
 #define to_net_dev(d) container_of(d, struct net_device, dev)
 
@@ -1844,10 +1845,7 @@ struct net *dev_net(const struct net_device *dev)
 static inline
 void dev_net_set(struct net_device *dev, struct net *net)
 {
-#ifdef CONFIG_NET_NS
-        release_net(dev->nd_net);
-        dev->nd_net = hold_net(net);
-#endif
+        write_pnet(&dev->nd_net, net);
 }
 
 static inline bool netdev_uses_dsa(struct net_device *dev)
@@ -2159,6 +2157,7 @@ void __dev_remove_pack(struct packet_type *pt);
 void dev_add_offload(struct packet_offload *po);
 void dev_remove_offload(struct packet_offload *po);
 
+int dev_get_iflink(const struct net_device *dev);
 struct net_device *__dev_get_by_flags(struct net *net, unsigned short flags,
                                       unsigned short mask);
 struct net_device *dev_get_by_name(struct net *net, const char *name);
@@ -2167,9 +2166,14 @@ struct net_device *__dev_get_by_name(struct net *net, const char *name);
 int dev_alloc_name(struct net_device *dev, const char *name);
 int dev_open(struct net_device *dev);
 int dev_close(struct net_device *dev);
+int dev_close_many(struct list_head *head, bool unlink);
 void dev_disable_lro(struct net_device *dev);
-int dev_loopback_xmit(struct sk_buff *newskb);
-int dev_queue_xmit(struct sk_buff *skb);
+int dev_loopback_xmit(struct sock *sk, struct sk_buff *newskb);
+int dev_queue_xmit_sk(struct sock *sk, struct sk_buff *skb);
+static inline int dev_queue_xmit(struct sk_buff *skb)
+{
+        return dev_queue_xmit_sk(skb->sk, skb);
+}
 int dev_queue_xmit_accel(struct sk_buff *skb, void *accel_priv);
 int register_netdevice(struct net_device *dev);
 void unregister_netdevice_queue(struct net_device *dev, struct list_head *head);
@@ -2409,15 +2413,6 @@ static inline int dev_parse_header(const struct sk_buff *skb,
         return dev->header_ops->parse(skb, haddr);
 }
 
-static inline int dev_rebuild_header(struct sk_buff *skb)
-{
-        const struct net_device *dev = skb->dev;
-
-        if (!dev->header_ops || !dev->header_ops->rebuild)
-                return 0;
-        return dev->header_ops->rebuild(skb);
-}
-
 typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len);
 int register_gifconf(unsigned int family, gifconf_func_t *gifconf);
 static inline int unregister_gifconf(unsigned int family)
@@ -2939,7 +2934,11 @@ static inline void dev_consume_skb_any(struct sk_buff *skb)
 
 int netif_rx(struct sk_buff *skb);
 int netif_rx_ni(struct sk_buff *skb);
-int netif_receive_skb(struct sk_buff *skb);
+int netif_receive_skb_sk(struct sock *sk, struct sk_buff *skb);
+static inline int netif_receive_skb(struct sk_buff *skb)
+{
+        return netif_receive_skb_sk(skb->sk, skb);
+}
 gro_result_t napi_gro_receive(struct napi_struct *napi, struct sk_buff *skb);
 void napi_gro_flush(struct napi_struct *napi, bool flush_old);
 struct sk_buff *napi_get_frags(struct napi_struct *napi);
@@ -2975,6 +2974,8 @@ int dev_set_mac_address(struct net_device *, struct sockaddr *);
 int dev_change_carrier(struct net_device *, bool new_carrier);
 int dev_get_phys_port_id(struct net_device *dev,
                          struct netdev_phys_item_id *ppid);
+int dev_get_phys_port_name(struct net_device *dev,
+                           char *name, size_t len);
 struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev);
 struct sk_buff *dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
                                     struct netdev_queue *txq, int *ret);
@@ -3679,6 +3680,9 @@ 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 passthru_features_check(struct sk_buff *skb,
+                                          struct net_device *dev,
+                                          netdev_features_t features);
 netdev_features_t netif_skb_features(struct sk_buff *skb);
 
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
@@ -3709,7 +3713,7 @@ static inline bool skb_gso_ok(struct sk_buff *skb, netdev_features_t features)
                (!skb_has_frag_list(skb) || (features & NETIF_F_FRAGLIST));
 }
 
-static inline bool netif_needs_gso(struct net_device *dev, struct sk_buff *skb,
+static inline bool netif_needs_gso(struct sk_buff *skb,
                                    netdev_features_t features)
 {
         return skb_is_gso(skb) && (!skb_gso_ok(skb, features) ||