Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:
 "Highlights:

   1) Maintain the TCP retransmit queue using an rbtree, with 1GB
      windows at 100Gb this really has become necessary. From Eric
      Dumazet.

   2) Multi-program support for cgroup+bpf, from Alexei Starovoitov.

   3) Perform broadcast flooding in hardware in mv88e6xxx, from Andrew
      Lunn.

   4) Add meter action support to openvswitch, from Andy Zhou.

   5) Add a data meta pointer for BPF accessible packets, from Daniel
      Borkmann.

   6) Namespace-ify almost all TCP sysctl knobs, from Eric Dumazet.

   7) Turn on Broadcom Tags in b53 driver, from Florian Fainelli.

   8) More work to move the RTNL mutex down, from Florian Westphal.

   9) Add 'bpftool' utility, to help with bpf program introspection.
      From Jakub Kicinski.

  10) Add new 'cpumap' type for XDP_REDIRECT action, from Jesper
      Dangaard Brouer.

  11) Support 'blocks' of transformations in the packet scheduler which
      can span multiple network devices, from Jiri Pirko.

  12) TC flower offload support in cxgb4, from Kumar Sanghvi.

  13) Priority based stream scheduler for SCTP, from Marcelo Ricardo
      Leitner.

  14) Thunderbolt networking driver, from Amir Levy and Mika Westerberg.

  15) Add RED qdisc offloadability, and use it in mlxsw driver. From
      Nogah Frankel.

  16) eBPF based device controller for cgroup v2, from Roman Gushchin.

  17) Add some fundamental tracepoints for TCP, from Song Liu.

  18) Remove garbage collection from ipv6 route layer, this is a
      significant accomplishment. From Wei Wang.

  19) Add multicast route offload support to mlxsw, from Yotam Gigi"

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (2177 commits)
  tcp: highest_sack fix
  geneve: fix fill_info when link down
  bpf: fix lockdep splat
  net: cdc_ncm: GetNtbFormat endian fix
  openvswitch: meter: fix NULL pointer dereference in ovs_meter_cmd_reply_start
  netem: remove unnecessary 64 bit modulus
  netem: use 64 bit divide by rate
  tcp: Namespace-ify sysctl_tcp_default_congestion_control
  net: Protect iterations over net::fib_notifier_ops in fib_seq_sum()
  ipv6: set all.accept_dad to 0 by default
  uapi: fix linux/tls.h userspace compilation error
  usbnet: ipheth: prevent TX queue timeouts when device not ready
  vhost_net: conditionally enable tx polling
  uapi: fix linux/rxrpc.h userspace compilation errors
  net: stmmac: fix LPI transitioning for dwmac4
  atm: horizon: Fix irq release error
  net-sysfs: trigger netlink notification on ifalias change via sysfs
  openvswitch: Using kfree_rcu() to simplify the code
  openvswitch: Make local function ovs_nsh_key_attr_size() static
  openvswitch: Fix return value check in ovs_meter_cmd_features()
  ...

1 files changed, 32 insertions, 8 deletions

diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index e870cfc85b14..1312b8d20ec3 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -36,7 +36,14 @@
 /* Control of forwarding link local multicast */
 #define BR_GROUPFWD_DEFAULT	0
 /* Don't allow forwarding of control protocols like STP, MAC PAUSE and LACP */
-#define BR_GROUPFWD_RESTRICTED	0x0007u
+enum {
+	BR_GROUPFWD_STP		= BIT(0),
+	BR_GROUPFWD_MACPAUSE	= BIT(1),
+	BR_GROUPFWD_LACP	= BIT(2),
+};
+
+#define BR_GROUPFWD_RESTRICTED (BR_GROUPFWD_STP | BR_GROUPFWD_MACPAUSE | \
+				BR_GROUPFWD_LACP)
 /* The Nearest Customer Bridge Group Address, 01-80-C2-00-00-[00,0B,0C,0D,0F] */
 #define BR_GROUPFWD_8021AD	0xB801u
 
@@ -202,7 +209,7 @@ struct net_bridge_mdb_entry
 	struct rcu_head			rcu;
 	struct timer_list		timer;
 	struct br_ip			addr;
-	bool				mglist;
+	bool				host_joined;
 };
 
 struct net_bridge_mdb_htable
@@ -268,6 +275,7 @@ struct net_bridge_port {
 #ifdef CONFIG_NET_SWITCHDEV
 	int				offload_fwd_mark;
 #endif
+	u16				group_fwd_mask;
 };
 
 #define br_auto_port(p) ((p)->flags & BR_AUTO_MASK)
@@ -396,6 +404,7 @@ struct net_bridge {
 #ifdef CONFIG_NET_SWITCHDEV
 	int offload_fwd_mark;
 #endif
+	bool				neigh_suppress_enabled;
 };
 
 struct br_input_skb_cb {
@@ -558,7 +567,8 @@ void br_flood(struct net_bridge *br, struct sk_buff *skb,
 void br_port_carrier_check(struct net_bridge_port *p);
 int br_add_bridge(struct net *net, const char *name);
 int br_del_bridge(struct net *net, const char *name);
-int br_add_if(struct net_bridge *br, struct net_device *dev);
+int br_add_if(struct net_bridge *br, struct net_device *dev,
+	      struct netlink_ext_ack *extack);
 int br_del_if(struct net_bridge *br, struct net_device *dev);
 int br_min_mtu(const struct net_bridge *br);
 netdev_features_t br_features_recompute(struct net_bridge *br,
@@ -793,7 +803,8 @@ struct sk_buff *br_handle_vlan(struct net_bridge *br,
 			       const struct net_bridge_port *port,
 			       struct net_bridge_vlan_group *vg,
 			       struct sk_buff *skb);
-int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags);
+int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags,
+		bool *changed);
 int br_vlan_delete(struct net_bridge *br, u16 vid);
 void br_vlan_flush(struct net_bridge *br);
 struct net_bridge_vlan *br_vlan_find(struct net_bridge_vlan_group *vg, u16 vid);
@@ -806,7 +817,8 @@ int br_vlan_set_stats(struct net_bridge *br, unsigned long val);
 int br_vlan_init(struct net_bridge *br);
 int br_vlan_set_default_pvid(struct net_bridge *br, unsigned long val);
 int __br_vlan_set_default_pvid(struct net_bridge *br, u16 pvid);
-int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags);
+int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags,
+		 bool *changed);
 int nbp_vlan_delete(struct net_bridge_port *port, u16 vid);
 void nbp_vlan_flush(struct net_bridge_port *port);
 int nbp_vlan_init(struct net_bridge_port *port);
@@ -893,8 +905,10 @@ static inline struct sk_buff *br_handle_vlan(struct net_bridge *br,
 	return skb;
 }
 
-static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags)
+static inline int br_vlan_add(struct net_bridge *br, u16 vid, u16 flags,
+			      bool *changed)
 {
+	*changed = false;
 	return -EOPNOTSUPP;
 }
 
@@ -916,8 +930,10 @@ static inline int br_vlan_init(struct net_bridge *br)
 	return 0;
 }
 
-static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags)
+static inline int nbp_vlan_add(struct net_bridge_port *port, u16 vid, u16 flags,
+			       bool *changed)
 {
+	*changed = false;
 	return -EOPNOTSUPP;
 }
 
@@ -1055,7 +1071,8 @@ extern int (*br_fdb_test_addr_hook)(struct net_device *dev, unsigned char *addr)
 extern struct rtnl_link_ops br_link_ops;
 int br_netlink_init(void);
 void br_netlink_fini(void);
-void br_ifinfo_notify(int event, struct net_bridge_port *port);
+void br_ifinfo_notify(int event, const struct net_bridge *br,
+		      const struct net_bridge_port *port);
 int br_setlink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
 int br_dellink(struct net_device *dev, struct nlmsghdr *nlmsg, u16 flags);
 int br_getlink(struct sk_buff *skb, u32 pid, u32 seq, struct net_device *dev,
@@ -1130,4 +1147,11 @@ static inline void br_switchdev_frame_unmark(struct sk_buff *skb)
 }
 #endif /* CONFIG_NET_SWITCHDEV */
 
+/* br_arp_nd_proxy.c */
+void br_recalculate_neigh_suppress_enabled(struct net_bridge *br);
+void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br,
+			      u16 vid, struct net_bridge_port *p);
+void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br,
+		       u16 vid, struct net_bridge_port *p, struct nd_msg *msg);
+struct nd_msg *br_is_nd_neigh_msg(struct sk_buff *skb, struct nd_msg *m);
 #endif