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, 158 insertions, 0 deletions

diff --git a/drivers/net/wireless/broadcom/b43legacy/pio.h b/drivers/net/wireless/broadcom/b43legacy/pio.h
new file mode 100644
index 000000000000..8e6773ea6e75
--- /dev/null
+++ b/drivers/net/wireless/broadcom/b43legacy/pio.h
@@ -0,0 +1,158 @@
+#ifndef B43legacy_PIO_H_
+#define B43legacy_PIO_H_
+
+#include "b43legacy.h"
+
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/skbuff.h>
+
+
+#define B43legacy_PIO_TXCTL		0x00
+#define B43legacy_PIO_TXDATA		0x02
+#define B43legacy_PIO_TXQBUFSIZE	0x04
+#define B43legacy_PIO_RXCTL		0x08
+#define B43legacy_PIO_RXDATA		0x0A
+
+#define B43legacy_PIO_TXCTL_WRITELO	(1 << 0)
+#define B43legacy_PIO_TXCTL_WRITEHI	(1 << 1)
+#define B43legacy_PIO_TXCTL_COMPLETE	(1 << 2)
+#define B43legacy_PIO_TXCTL_INIT	(1 << 3)
+#define B43legacy_PIO_TXCTL_SUSPEND	(1 << 7)
+
+#define B43legacy_PIO_RXCTL_DATAAVAILABLE	(1 << 0)
+#define B43legacy_PIO_RXCTL_READY		(1 << 1)
+
+/* PIO constants */
+#define B43legacy_PIO_MAXTXDEVQPACKETS	31
+#define B43legacy_PIO_TXQADJUST		80
+
+/* PIO tuning knobs */
+#define B43legacy_PIO_MAXTXPACKETS	256
+
+
+
+#ifdef CONFIG_B43LEGACY_PIO
+
+
+struct b43legacy_pioqueue;
+struct b43legacy_xmitstatus;
+
+struct b43legacy_pio_txpacket {
+	struct b43legacy_pioqueue *queue;
+	struct sk_buff *skb;
+	struct list_head list;
+};
+
+#define pio_txpacket_getindex(packet) ((int)((packet) - \
+			      (packet)->queue->tx_packets_cache))
+
+struct b43legacy_pioqueue {
+	struct b43legacy_wldev *dev;
+	u16 mmio_base;
+
+	bool tx_suspended;
+	bool tx_frozen;
+	bool need_workarounds; /* Workarounds needed for core.rev < 3 */
+
+	/* Adjusted size of the device internal TX buffer. */
+	u16 tx_devq_size;
+	/* Used octets of the device internal TX buffer. */
+	u16 tx_devq_used;
+	/* Used packet slots in the device internal TX buffer. */
+	u8 tx_devq_packets;
+	/* Packets from the txfree list can
+	 * be taken on incoming TX requests.
+	 */
+	struct list_head txfree;
+	unsigned int nr_txfree;
+	/* Packets on the txqueue are queued,
+	 * but not completely written to the chip, yet.
+	 */
+	struct list_head txqueue;
+	/* Packets on the txrunning queue are completely
+	 * posted to the device. We are waiting for the txstatus.
+	 */
+	struct list_head txrunning;
+	struct tasklet_struct txtask;
+	struct b43legacy_pio_txpacket
+			 tx_packets_cache[B43legacy_PIO_MAXTXPACKETS];
+};
+
+static inline
+u16 b43legacy_pio_read(struct b43legacy_pioqueue *queue,
+		     u16 offset)
+{
+	return b43legacy_read16(queue->dev, queue->mmio_base + offset);
+}
+
+static inline
+void b43legacy_pio_write(struct b43legacy_pioqueue *queue,
+		       u16 offset, u16 value)
+{
+	b43legacy_write16(queue->dev, queue->mmio_base + offset, value);
+	mmiowb();
+}
+
+
+int b43legacy_pio_init(struct b43legacy_wldev *dev);
+void b43legacy_pio_free(struct b43legacy_wldev *dev);
+
+int b43legacy_pio_tx(struct b43legacy_wldev *dev,
+		   struct sk_buff *skb);
+void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev,
+				 const struct b43legacy_txstatus *status);
+void b43legacy_pio_rx(struct b43legacy_pioqueue *queue);
+
+/* Suspend TX queue in hardware. */
+void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue);
+void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue);
+/* Suspend (freeze) the TX tasklet (software level). */
+void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev);
+void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev);
+
+#else /* CONFIG_B43LEGACY_PIO */
+
+static inline
+int b43legacy_pio_init(struct b43legacy_wldev *dev)
+{
+	return 0;
+}
+static inline
+void b43legacy_pio_free(struct b43legacy_wldev *dev)
+{
+}
+static inline
+int b43legacy_pio_tx(struct b43legacy_wldev *dev,
+		   struct sk_buff *skb)
+{
+	return 0;
+}
+static inline
+void b43legacy_pio_handle_txstatus(struct b43legacy_wldev *dev,
+				 const struct b43legacy_txstatus *status)
+{
+}
+static inline
+void b43legacy_pio_rx(struct b43legacy_pioqueue *queue)
+{
+}
+static inline
+void b43legacy_pio_tx_suspend(struct b43legacy_pioqueue *queue)
+{
+}
+static inline
+void b43legacy_pio_tx_resume(struct b43legacy_pioqueue *queue)
+{
+}
+static inline
+void b43legacy_pio_freeze_txqueues(struct b43legacy_wldev *dev)
+{
+}
+static inline
+void b43legacy_pio_thaw_txqueues(struct b43legacy_wldev *dev)
+{
+}
+
+#endif /* CONFIG_B43LEGACY_PIO */
+#endif /* B43legacy_PIO_H_ */