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

Pull networking updates from Davic Miller:

 1) Support busy polling generically, for all NAPI drivers.  From Eric
    Dumazet.

 2) Add byte/packet counter support to nft_ct, from Floriani Westphal.

 3) Add RSS/XPS support to mvneta driver, from Gregory Clement.

 4) Implement IPV6_HDRINCL socket option for raw sockets, from Hannes
    Frederic Sowa.

 5) Add support for T6 adapter to cxgb4 driver, from Hariprasad Shenai.

 6) Add support for VLAN device bridging to mlxsw switch driver, from
    Ido Schimmel.

 7) Add driver for Netronome NFP4000/NFP6000, from Jakub Kicinski.

 8) Provide hwmon interface to mlxsw switch driver, from Jiri Pirko.

 9) Reorganize wireless drivers into per-vendor directories just like we
    do for ethernet drivers.  From Kalle Valo.

10) Provide a way for administrators "destroy" connected sockets via the
    SOCK_DESTROY socket netlink diag operation.  From Lorenzo Colitti.

11) Add support to add/remove multicast routes via netlink, from Nikolay
    Aleksandrov.

12) Make TCP keepalive settings per-namespace, from Nikolay Borisov.

13) Add forwarding and packet duplication facilities to nf_tables, from
    Pablo Neira Ayuso.

14) Dead route support in MPLS, from Roopa Prabhu.

15) TSO support for thunderx chips, from Sunil Goutham.

16) Add driver for IBM's System i/p VNIC protocol, from Thomas Falcon.

17) Rationalize, consolidate, and more completely document the checksum
    offloading facilities in the networking stack.  From Tom Herbert.

18) Support aborting an ongoing scan in mac80211/cfg80211, from
    Vidyullatha Kanchanapally.

19) Use per-bucket spinlock for bpf hash facility, from Tom Leiming.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1375 commits)
  net: bnxt: always return values from _bnxt_get_max_rings
  net: bpf: reject invalid shifts
  phonet: properly unshare skbs in phonet_rcv()
  dwc_eth_qos: Fix dma address for multi-fragment skbs
  phy: remove an unneeded condition
  mdio: remove an unneed condition
  mdio_bus: NULL dereference on allocation error
  net: Fix typo in netdev_intersect_features
  net: freescale: mac-fec: Fix build error from phy_device API change
  net: freescale: ucc_geth: Fix build error from phy_device API change
  bonding: Prevent IPv6 link local address on enslaved devices
  IB/mlx5: Add flow steering support
  net/mlx5_core: Export flow steering API
  net/mlx5_core: Make ipv4/ipv6 location more clear
  net/mlx5_core: Enable flow steering support for the IB driver
  net/mlx5_core: Initialize namespaces only when supported by device
  net/mlx5_core: Set priority attributes
  net/mlx5_core: Connect flow tables
  net/mlx5_core: Introduce modify flow table command
  net/mlx5_core: Managing root flow table
  ...

1 files changed, 243 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/b43legacy/leds.c b/drivers/net/wireless/broadcom/b43legacy/leds.c
new file mode 100644
index 000000000000..fd4565389c77
--- /dev/null
+++ b/drivers/net/wireless/broadcom/b43legacy/leds.c
@@ -0,0 +1,243 @@
+/*
+
+  Broadcom B43 wireless driver
+  LED control
+
+  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
+  Copyright (c) 2005 Stefano Brivio <stefano.brivio@polimi.it>
+  Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
+  Copyright (c) 2005 Danny van Dyk <kugelfang@gentoo.org>
+  Copyright (c) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; see the file COPYING.  If not, write to
+  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+
+*/
+
+#include "b43legacy.h"
+#include "leds.h"
+#include "rfkill.h"
+
+
+static void b43legacy_led_turn_on(struct b43legacy_wldev *dev, u8 led_index,
+			    bool activelow)
+{
+	struct b43legacy_wl *wl = dev->wl;
+	unsigned long flags;
+	u16 ctl;
+
+	spin_lock_irqsave(&wl->leds_lock, flags);
+	ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
+	if (activelow)
+		ctl &= ~(1 << led_index);
+	else
+		ctl |= (1 << led_index);
+	b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl);
+	spin_unlock_irqrestore(&wl->leds_lock, flags);
+}
+
+static void b43legacy_led_turn_off(struct b43legacy_wldev *dev, u8 led_index,
+			     bool activelow)
+{
+	struct b43legacy_wl *wl = dev->wl;
+	unsigned long flags;
+	u16 ctl;
+
+	spin_lock_irqsave(&wl->leds_lock, flags);
+	ctl = b43legacy_read16(dev, B43legacy_MMIO_GPIO_CONTROL);
+	if (activelow)
+		ctl |= (1 << led_index);
+	else
+		ctl &= ~(1 << led_index);
+	b43legacy_write16(dev, B43legacy_MMIO_GPIO_CONTROL, ctl);
+	spin_unlock_irqrestore(&wl->leds_lock, flags);
+}
+
+/* Callback from the LED subsystem. */
+static void b43legacy_led_brightness_set(struct led_classdev *led_dev,
+				   enum led_brightness brightness)
+{
+	struct b43legacy_led *led = container_of(led_dev, struct b43legacy_led,
+				    led_dev);
+	struct b43legacy_wldev *dev = led->dev;
+	bool radio_enabled;
+
+	/* Checking the radio-enabled status here is slightly racy,
+	 * but we want to avoid the locking overhead and we don't care
+	 * whether the LED has the wrong state for a second. */
+	radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable);
+
+	if (brightness == LED_OFF || !radio_enabled)
+		b43legacy_led_turn_off(dev, led->index, led->activelow);
+	else
+		b43legacy_led_turn_on(dev, led->index, led->activelow);
+}
+
+static int b43legacy_register_led(struct b43legacy_wldev *dev,
+				  struct b43legacy_led *led,
+				  const char *name,
+				  const char *default_trigger,
+				  u8 led_index, bool activelow)
+{
+	int err;
+
+	b43legacy_led_turn_off(dev, led_index, activelow);
+	if (led->dev)
+		return -EEXIST;
+	if (!default_trigger)
+		return -EINVAL;
+	led->dev = dev;
+	led->index = led_index;
+	led->activelow = activelow;
+	strncpy(led->name, name, sizeof(led->name));
+
+	led->led_dev.name = led->name;
+	led->led_dev.default_trigger = default_trigger;
+	led->led_dev.brightness_set = b43legacy_led_brightness_set;
+
+	err = led_classdev_register(dev->dev->dev, &led->led_dev);
+	if (err) {
+		b43legacywarn(dev->wl, "LEDs: Failed to register %s\n", name);
+		led->dev = NULL;
+		return err;
+	}
+	return 0;
+}
+
+static void b43legacy_unregister_led(struct b43legacy_led *led)
+{
+	if (!led->dev)
+		return;
+	led_classdev_unregister(&led->led_dev);
+	b43legacy_led_turn_off(led->dev, led->index, led->activelow);
+	led->dev = NULL;
+}
+
+static void b43legacy_map_led(struct b43legacy_wldev *dev,
+			u8 led_index,
+			enum b43legacy_led_behaviour behaviour,
+			bool activelow)
+{
+	struct ieee80211_hw *hw = dev->wl->hw;
+	char name[B43legacy_LED_MAX_NAME_LEN + 1];
+
+	/* Map the b43 specific LED behaviour value to the
+	 * generic LED triggers. */
+	switch (behaviour) {
+	case B43legacy_LED_INACTIVE:
+		break;
+	case B43legacy_LED_OFF:
+		b43legacy_led_turn_off(dev, led_index, activelow);
+		break;
+	case B43legacy_LED_ON:
+		b43legacy_led_turn_on(dev, led_index, activelow);
+		break;
+	case B43legacy_LED_ACTIVITY:
+	case B43legacy_LED_TRANSFER:
+	case B43legacy_LED_APTRANSFER:
+		snprintf(name, sizeof(name),
+			 "b43legacy-%s::tx", wiphy_name(hw->wiphy));
+		b43legacy_register_led(dev, &dev->led_tx, name,
+				 ieee80211_get_tx_led_name(hw),
+				 led_index, activelow);
+		snprintf(name, sizeof(name),
+			 "b43legacy-%s::rx", wiphy_name(hw->wiphy));
+		b43legacy_register_led(dev, &dev->led_rx, name,
+				 ieee80211_get_rx_led_name(hw),
+				 led_index, activelow);
+		break;
+	case B43legacy_LED_RADIO_ALL:
+	case B43legacy_LED_RADIO_A:
+	case B43legacy_LED_RADIO_B:
+	case B43legacy_LED_MODE_BG:
+		snprintf(name, sizeof(name),
+			 "b43legacy-%s::radio", wiphy_name(hw->wiphy));
+		b43legacy_register_led(dev, &dev->led_radio, name,
+				 ieee80211_get_radio_led_name(hw),
+				 led_index, activelow);
+		/* Sync the RF-kill LED state with radio and switch states. */
+		if (dev->phy.radio_on && b43legacy_is_hw_radio_enabled(dev))
+			b43legacy_led_turn_on(dev, led_index, activelow);
+		break;
+	case B43legacy_LED_WEIRD:
+	case B43legacy_LED_ASSOC:
+		snprintf(name, sizeof(name),
+			 "b43legacy-%s::assoc", wiphy_name(hw->wiphy));
+		b43legacy_register_led(dev, &dev->led_assoc, name,
+				 ieee80211_get_assoc_led_name(hw),
+				 led_index, activelow);
+		break;
+	default:
+		b43legacywarn(dev->wl, "LEDs: Unknown behaviour 0x%02X\n",
+			behaviour);
+		break;
+	}
+}
+
+void b43legacy_leds_init(struct b43legacy_wldev *dev)
+{
+	struct ssb_bus *bus = dev->dev->bus;
+	u8 sprom[4];
+	int i;
+	enum b43legacy_led_behaviour behaviour;
+	bool activelow;
+
+	sprom[0] = bus->sprom.gpio0;
+	sprom[1] = bus->sprom.gpio1;
+	sprom[2] = bus->sprom.gpio2;
+	sprom[3] = bus->sprom.gpio3;
+
+	for (i = 0; i < 4; i++) {
+		if (sprom[i] == 0xFF) {
+			/* There is no LED information in the SPROM
+			 * for this LED. Hardcode it here. */
+			activelow = false;
+			switch (i) {
+			case 0:
+				behaviour = B43legacy_LED_ACTIVITY;
+				activelow = true;
+				if (bus->boardinfo.vendor == PCI_VENDOR_ID_COMPAQ)
+					behaviour = B43legacy_LED_RADIO_ALL;
+				break;
+			case 1:
+				behaviour = B43legacy_LED_RADIO_B;
+				if (bus->boardinfo.vendor == PCI_VENDOR_ID_ASUSTEK)
+					behaviour = B43legacy_LED_ASSOC;
+				break;
+			case 2:
+				behaviour = B43legacy_LED_RADIO_A;
+				break;
+			case 3:
+				behaviour = B43legacy_LED_OFF;
+				break;
+			default:
+				B43legacy_WARN_ON(1);
+				return;
+			}
+		} else {
+			behaviour = sprom[i] & B43legacy_LED_BEHAVIOUR;
+			activelow = !!(sprom[i] & B43legacy_LED_ACTIVELOW);
+		}
+		b43legacy_map_led(dev, i, behaviour, activelow);
+	}
+}
+
+void b43legacy_leds_exit(struct b43legacy_wldev *dev)
+{
+	b43legacy_unregister_led(&dev->led_tx);
+	b43legacy_unregister_led(&dev->led_rx);
+	b43legacy_unregister_led(&dev->led_assoc);
+	b43legacy_unregister_led(&dev->led_radio);
+}