Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
  [NET]: Fix and allocate less memory for ->priv'less netdevices
  [IPV6]: Fix dangling references on error in fib6_add().
  [NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
  [PKT_SCHED]: Fix datalen check in tcf_simp_init().
  [INET]: Uninline the __inet_inherit_port call.
  [INET]: Drop the inet_inherit_port() call.
  SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
  [netdrvr] forcedeth: internal simplifications; changelog removal
  phylib: factor out get_phy_id from within get_phy_device
  PHY: add BCM5464 support to broadcom PHY driver
  cxgb3: Fix __must_check warning with dev_dbg.
  tc35815: Statistics cleanup
  natsemi: fix MMIO for PPC 44x platforms
  [TIPC]: Cleanup of TIPC reference table code
  [TIPC]: Optimized initialization of TIPC reference table
  [TIPC]: Remove inlining of reference table locking routines
  e1000: convert uint16_t style integers to u16
  ixgb: convert uint16_t style integers to u16
  sb1000.c: make const arrays static
  sb1000.c: stop inlining largish static functions
  ...

1 files changed, 220 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/pio.h b/drivers/net/wireless/b43/pio.h
new file mode 100644
index 000000000000..e2ec676cc9e4
--- /dev/null
+++ b/drivers/net/wireless/b43/pio.h
@@ -0,0 +1,220 @@
+#ifndef B43_PIO_H_
+#define B43_PIO_H_
+
+#include "b43.h"
+
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/list.h>
+#include <linux/skbuff.h>
+
+
+/*** Registers for PIO queues up to revision 7. ***/
+/* TX queue. */
+#define B43_PIO_TXCTL			0x00
+#define  B43_PIO_TXCTL_WRITELO		0x0001
+#define  B43_PIO_TXCTL_WRITEHI		0x0002
+#define  B43_PIO_TXCTL_EOF		0x0004
+#define  B43_PIO_TXCTL_FREADY		0x0008
+#define  B43_PIO_TXCTL_FLUSHREQ		0x0020
+#define  B43_PIO_TXCTL_FLUSHPEND	0x0040
+#define  B43_PIO_TXCTL_SUSPREQ		0x0080
+#define  B43_PIO_TXCTL_QSUSP		0x0100
+#define  B43_PIO_TXCTL_COMMCNT		0xFC00
+#define  B43_PIO_TXCTL_COMMCNT_SHIFT	10
+#define B43_PIO_TXDATA			0x02
+#define B43_PIO_TXQBUFSIZE		0x04
+/* RX queue. */
+#define B43_PIO_RXCTL			0x00
+#define  B43_PIO_RXCTL_FRAMERDY		0x0001
+#define  B43_PIO_RXCTL_DATARDY		0x0002
+#define B43_PIO_RXDATA			0x02
+
+/*** Registers for PIO queues revision 8 and later. ***/
+/* TX queue */
+#define B43_PIO8_TXCTL			0x00
+#define  B43_PIO8_TXCTL_0_7		0x00000001
+#define  B43_PIO8_TXCTL_8_15		0x00000002
+#define  B43_PIO8_TXCTL_16_23		0x00000004
+#define  B43_PIO8_TXCTL_24_31		0x00000008
+#define  B43_PIO8_TXCTL_EOF		0x00000010
+#define  B43_PIO8_TXCTL_FREADY		0x00000080
+#define  B43_PIO8_TXCTL_SUSPREQ		0x00000100
+#define  B43_PIO8_TXCTL_QSUSP		0x00000200
+#define  B43_PIO8_TXCTL_FLUSHREQ	0x00000400
+#define  B43_PIO8_TXCTL_FLUSHPEND	0x00000800
+#define B43_PIO8_TXDATA			0x04
+/* RX queue */
+#define B43_PIO8_RXCTL			0x00
+#define  B43_PIO8_RXCTL_FRAMERDY	0x00000001
+#define  B43_PIO8_RXCTL_DATARDY		0x00000002
+#define B43_PIO8_RXDATA			0x04
+
+
+/* The maximum number of TX-packets the HW can handle. */
+#define B43_PIO_MAX_NR_TXPACKETS	32
+
+
+#ifdef CONFIG_B43_PIO
+
+struct b43_pio_txpacket {
+	/* Pointer to the TX queue we belong to. */
+	struct b43_pio_txqueue *queue;
+	/* The TX data packet. */
+	struct sk_buff *skb;
+	/* The status meta data. */
+	struct ieee80211_tx_status txstat;
+	/* Index in the (struct b43_pio_txqueue)->packets array. */
+	u8 index;
+
+	struct list_head list;
+};
+
+struct b43_pio_txqueue {
+	struct b43_wldev *dev;
+	spinlock_t lock;
+	u16 mmio_base;
+
+	/* The device queue buffer size in bytes. */
+	u16 buffer_size;
+	/* The number of used bytes in the device queue buffer. */
+	u16 buffer_used;
+	/* The number of packets that can still get queued.
+	 * This is decremented on queueing a packet and incremented
+	 * after receiving the transmit status. */
+	u16 free_packet_slots;
+
+	/* True, if the mac80211 queue was stopped due to overflow at TX. */
+	bool stopped;
+	/* Our b43 queue index number */
+	u8 index;
+	/* The mac80211 QoS queue priority. */
+	u8 queue_prio;
+
+	/* Buffer for TX packet meta data. */
+	struct b43_pio_txpacket packets[B43_PIO_MAX_NR_TXPACKETS];
+	struct list_head packets_list;
+
+	/* Total number of transmitted packets. */
+	unsigned int nr_tx_packets;
+
+	/* Shortcut to the 802.11 core revision. This is to
+	 * avoid horrible pointer dereferencing in the fastpaths. */
+	u8 rev;
+};
+
+struct b43_pio_rxqueue {
+	struct b43_wldev *dev;
+	spinlock_t lock;
+	u16 mmio_base;
+
+	/* Work to reduce latency issues on RX. */
+	struct work_struct rx_work;
+
+	/* Shortcut to the 802.11 core revision. This is to
+	 * avoid horrible pointer dereferencing in the fastpaths. */
+	u8 rev;
+};
+
+
+static inline u16 b43_piotx_read16(struct b43_pio_txqueue *q, u16 offset)
+{
+	return b43_read16(q->dev, q->mmio_base + offset);
+}
+
+static inline u32 b43_piotx_read32(struct b43_pio_txqueue *q, u16 offset)
+{
+	return b43_read32(q->dev, q->mmio_base + offset);
+}
+
+static inline void b43_piotx_write16(struct b43_pio_txqueue *q,
+				     u16 offset, u16 value)
+{
+	b43_write16(q->dev, q->mmio_base + offset, value);
+}
+
+static inline void b43_piotx_write32(struct b43_pio_txqueue *q,
+				     u16 offset, u32 value)
+{
+	b43_write32(q->dev, q->mmio_base + offset, value);
+}
+
+
+static inline u16 b43_piorx_read16(struct b43_pio_rxqueue *q, u16 offset)
+{
+	return b43_read16(q->dev, q->mmio_base + offset);
+}
+
+static inline u32 b43_piorx_read32(struct b43_pio_rxqueue *q, u16 offset)
+{
+	return b43_read32(q->dev, q->mmio_base + offset);
+}
+
+static inline void b43_piorx_write16(struct b43_pio_rxqueue *q,
+				     u16 offset, u16 value)
+{
+	b43_write16(q->dev, q->mmio_base + offset, value);
+}
+
+static inline void b43_piorx_write32(struct b43_pio_rxqueue *q,
+				     u16 offset, u32 value)
+{
+	b43_write32(q->dev, q->mmio_base + offset, value);
+}
+
+
+int b43_pio_init(struct b43_wldev *dev);
+void b43_pio_stop(struct b43_wldev *dev);
+void b43_pio_free(struct b43_wldev *dev);
+
+int b43_pio_tx(struct b43_wldev *dev,
+	       struct sk_buff *skb, struct ieee80211_tx_control *ctl);
+void b43_pio_handle_txstatus(struct b43_wldev *dev,
+			     const struct b43_txstatus *status);
+void b43_pio_get_tx_stats(struct b43_wldev *dev,
+			  struct ieee80211_tx_queue_stats *stats);
+void b43_pio_rx(struct b43_pio_rxqueue *q);
+
+void b43_pio_tx_suspend(struct b43_wldev *dev);
+void b43_pio_tx_resume(struct b43_wldev *dev);
+
+
+#else /* CONFIG_B43_PIO */
+
+
+static inline int b43_pio_init(struct b43_wldev *dev)
+{
+	return 0;
+}
+static inline void b43_pio_free(struct b43_wldev *dev)
+{
+}
+static inline void b43_pio_stop(struct b43_wldev *dev)
+{
+}
+static inline int b43_pio_tx(struct b43_wldev *dev,
+			     struct sk_buff *skb,
+			     struct ieee80211_tx_control *ctl)
+{
+	return 0;
+}
+static inline void b43_pio_handle_txstatus(struct b43_wldev *dev,
+					   const struct b43_txstatus *status)
+{
+}
+static inline void b43_pio_get_tx_stats(struct b43_wldev *dev,
+					struct ieee80211_tx_queue_stats *stats)
+{
+}
+static inline void b43_pio_rx(struct b43_pio_rxqueue *q)
+{
+}
+static inline void b43_pio_tx_suspend(struct b43_wldev *dev)
+{
+}
+static inline void b43_pio_tx_resume(struct b43_wldev *dev)
+{
+}
+
+#endif /* CONFIG_B43_PIO */
+#endif /* B43_PIO_H_ */