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

Pull networking updates from David Miller:

 1) Support ipv6 checksum offload in sunvnet driver, from Shannon
    Nelson.

 2) Move to RB-tree instead of custom AVL code in inetpeer, from Eric
    Dumazet.

 3) Allow generic XDP to work on virtual devices, from John Fastabend.

 4) Add bpf device maps and XDP_REDIRECT, which can be used to build
    arbitrary switching frameworks using XDP. From John Fastabend.

 5) Remove UFO offloads from the tree, gave us little other than bugs.

 6) Remove the IPSEC flow cache, from Florian Westphal.

 7) Support ipv6 route offload in mlxsw driver.

 8) Support VF representors in bnxt_en, from Sathya Perla.

 9) Add support for forward error correction modes to ethtool, from
    Vidya Sagar Ravipati.

10) Add time filter for packet scheduler action dumping, from Jamal Hadi
    Salim.

11) Extend the zerocopy sendmsg() used by virtio and tap to regular
    sockets via MSG_ZEROCOPY. From Willem de Bruijn.

12) Significantly rework value tracking in the BPF verifier, from Edward
    Cree.

13) Add new jump instructions to eBPF, from Daniel Borkmann.

14) Rework rtnetlink plumbing so that operations can be run without
    taking the RTNL semaphore. From Florian Westphal.

15) Support XDP in tap driver, from Jason Wang.

16) Add 32-bit eBPF JIT for ARM, from Shubham Bansal.

17) Add Huawei hinic ethernet driver.

18) Allow to report MD5 keys in TCP inet_diag dumps, from Ivan
    Delalande.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1780 commits)
  i40e: point wb_desc at the nvm_wb_desc during i40e_read_nvm_aq
  i40e: avoid NVM acquire deadlock during NVM update
  drivers: net: xgene: Remove return statement from void function
  drivers: net: xgene: Configure tx/rx delay for ACPI
  drivers: net: xgene: Read tx/rx delay for ACPI
  rocker: fix kcalloc parameter order
  rds: Fix non-atomic operation on shared flag variable
  net: sched: don't use GFP_KERNEL under spin lock
  vhost_net: correctly check tx avail during rx busy polling
  net: mdio-mux: add mdio_mux parameter to mdio_mux_init()
  rxrpc: Make service connection lookup always check for retry
  net: stmmac: Delete dead code for MDIO registration
  gianfar: Fix Tx flow control deactivation
  cxgb4: Ignore MPS_TX_INT_CAUSE[Bubble] for T6
  cxgb4: Fix pause frame count in t4_get_port_stats
  cxgb4: fix memory leak
  tun: rename generic_xdp to skb_xdp
  tun: reserve extra headroom only when XDP is set
  net: dsa: bcm_sf2: Configure IMP port TC2QOS mapping
  net: dsa: bcm_sf2: Advertise number of egress queues
  ...

net/bluetooth/6lowpan.c

@@ -273,9 +273,6 @@ static int iphc_decompress(struct sk_buff *skb, struct net_device *netdev,
 			   struct lowpan_peer *peer)
 {
 	const u8 *saddr;
-	struct lowpan_btle_dev *dev;
-
-	dev = lowpan_btle_dev(netdev);
 
 	saddr = peer->lladdr;
 
@@ -618,12 +615,8 @@ static void ifup(struct net_device *netdev)
 
 static void ifdown(struct net_device *netdev)
 {
-	int err;
-
 	rtnl_lock();
-	err = dev_close(netdev);
-	if (err < 0)
-		BT_INFO("iface %s cannot be closed (%d)", netdev->name, err);
+	dev_close(netdev);
 	rtnl_unlock();
 }
 

net/bluetooth/Kconfig

@@ -45,6 +45,11 @@ config BT_BREDR
 	bool "Bluetooth Classic (BR/EDR) features"
 	depends on BT
 	default y
+	help
+	  Bluetooth Classic includes support for Basic Rate (BR)
+	  available with Bluetooth version 1.0b or later and support
+	  for Enhanced Data Rate (EDR) available with Bluetooth
+	  version 2.0 or later.
 
 source "net/bluetooth/rfcomm/Kconfig"
 
@@ -58,11 +63,18 @@ config BT_HS
 	bool "Bluetooth High Speed (HS) features"
 	depends on BT_BREDR
 	default y
+	help
+	  Bluetooth High Speed includes support for off-loading
+	  Bluetooth connections via 802.11 (wifi) physical layer
+	  available with Bluetooth version 3.0 or later.
 
 config BT_LE
 	bool "Bluetooth Low Energy (LE) features"
 	depends on BT
 	default y
+	help
+	  Bluetooth Low Energy includes support low-energy physical
+	  layer available with Bluetooth version 4.0 or later.
 
 config BT_6LOWPAN
 	tristate "Bluetooth 6LoWPAN support"
@@ -114,4 +126,14 @@ config BT_DEBUGFS
 	  Provide extensive information about internal Bluetooth states
 	  in debugfs.
 
+config BT_LEGACY_IOCTL
+	bool "Enable legacy ioctl interfaces"
+	depends on BT && BT_BREDR
+	default y
+	help
+	  Enable support for legacy ioctl interfaces.  This is only needed
+	  for old and deprecated applications using direct ioctl calls for
+	  controller management.  Since Linux 3.4 all configuration and
+	  setup is done via mgmt interface and this is no longer needed.
+
 source "drivers/bluetooth/Kconfig"

net/bluetooth/hci_sock.c

@@ -878,6 +878,7 @@ static int hci_sock_release(struct socket *sock)
 	return 0;
 }
 
+#ifdef CONFIG_BT_LEGACY_IOCTL
 static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
 {
 	bdaddr_t bdaddr;
@@ -1049,6 +1050,7 @@ done:
 	release_sock(sk);
 	return err;
 }
+#endif
 
 static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
 			 int addr_len)
@@ -1969,7 +1971,11 @@ static const struct proto_ops hci_sock_ops = {
 	.getname	= hci_sock_getname,
 	.sendmsg	= hci_sock_sendmsg,
 	.recvmsg	= hci_sock_recvmsg,
+#ifdef CONFIG_BT_LEGACY_IOCTL
 	.ioctl		= hci_sock_ioctl,
+#else
+	.ioctl		= sock_no_ioctl,
+#endif
 	.poll		= datagram_poll,
 	.listen		= sock_no_listen,
 	.shutdown	= sock_no_shutdown,

net/bluetooth/hci_sysfs.c

@@ -13,7 +13,7 @@ static void bt_link_release(struct device *dev)
 	kfree(conn);
 }
 
-static struct device_type bt_link = {
+static const struct device_type bt_link = {
 	.name    = "link",
 	.release = bt_link_release,
 };
@@ -86,7 +86,7 @@ static void bt_host_release(struct device *dev)
 	module_put(THIS_MODULE);
 }
 
-static struct device_type bt_host = {
+static const struct device_type bt_host = {
 	.name    = "host",
 	.release = bt_host_release,
 };

net/bluetooth/lib.c

@@ -30,10 +30,10 @@
 
 #include <net/bluetooth/bluetooth.h>
 
-void baswap(bdaddr_t *dst, bdaddr_t *src)
+void baswap(bdaddr_t *dst, const bdaddr_t *src)
 {
-	unsigned char *d = (unsigned char *) dst;
-	unsigned char *s = (unsigned char *) src;
+	const unsigned char *s = (const unsigned char *)src;
+	unsigned char *d = (unsigned char *)dst;
 	unsigned int i;
 
 	for (i = 0; i < 6; i++)

net/bluetooth/selftest.c

@@ -164,7 +164,7 @@ static int __init test_ecdh_sample(const u8 priv_a[32], const u8 priv_b[32],
 		ret = -EINVAL;
 
 out:
-	kfree(dhkey_a);
+	kfree(tmp);
 	return ret;
 }