#ifndef __GIANFAR_H
#define __GIANFAR_H
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/crc32.h>
#include <linux/workqueue.h>
#include <linux/ethtool.h>
-#include <linux/netdevice.h>
-#include <linux/fsl_devices.h>
-#include "gianfar_mii.h"
/* The maximum number of packets to be handled in one call of gfar_poll */
#define GFAR_DEV_WEIGHT 64
extern const char gfar_driver_version[];
/* These need to be powers of 2 for this driver */
-#ifdef CONFIG_GFAR_NAPI
#define DEFAULT_TX_RING_SIZE 256
#define DEFAULT_RX_RING_SIZE 256
-#else
-#define DEFAULT_TX_RING_SIZE 64
-#define DEFAULT_RX_RING_SIZE 64
-#endif
#define GFAR_RX_MAX_RING_SIZE 256
#define GFAR_TX_MAX_RING_SIZE 256
#define DEFAULT_FIFO_TX_STARVE 0x40
#define DEFAULT_FIFO_TX_STARVE_OFF 0x80
#define DEFAULT_BD_STASH 1
-#define DEFAULT_STASH_LENGTH 64
+#define DEFAULT_STASH_LENGTH 96
#define DEFAULT_STASH_INDEX 0
/* The number of Exact Match registers */
#define DEFAULT_TX_COALESCE 1
#define DEFAULT_TXCOUNT 16
-#define DEFAULT_TXTIME 4
+#define DEFAULT_TXTIME 21
+
+#define DEFAULT_RXTIME 21
+
+#define DEFAULT_RX_COALESCE 0
+#define DEFAULT_RXCOUNT 0
-#define DEFAULT_RX_COALESCE 1
-#define DEFAULT_RXCOUNT 16
-#define DEFAULT_RXTIME 4
+#define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \
+ | SUPPORTED_10baseT_Full \
+ | SUPPORTED_100baseT_Half \
+ | SUPPORTED_100baseT_Full \
+ | SUPPORTED_Autoneg \
+ | SUPPORTED_MII)
-#define TBIPA_VALUE 0x1f
-#define MIIMCFG_INIT_VALUE 0x00000007
-#define MIIMCFG_RESET 0x80000000
-#define MIIMIND_BUSY 0x00000001
+/* TBI register addresses */
+#define MII_TBICON 0x11
+
+/* TBICON register bit fields */
+#define TBICON_CLK_SELECT 0x0020
/* MAC register bits */
#define MACCFG1_SOFT_RESET 0x80000000
#define MACCFG2_GMII 0x00000200
#define MACCFG2_HUGEFRAME 0x00000020
#define MACCFG2_LENGTHCHECK 0x00000010
+#define MACCFG2_MPEN 0x00000008
#define ECNTRL_INIT_SETTINGS 0x00001000
#define ECNTRL_TBI_MODE 0x00000020
+#define ECNTRL_REDUCED_MODE 0x00000010
#define ECNTRL_R100 0x00000008
+#define ECNTRL_REDUCED_MII_MODE 0x00000004
+#define ECNTRL_SGMII_MODE 0x00000002
#define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE
#define mk_ic_value(count, time) (IC_ICEN | \
mk_ic_icft(count) | \
mk_ic_ictt(time))
+#define get_icft_value(ic) (((unsigned long)ic & IC_ICFT_MASK) >> \
+ IC_ICFT_SHIFT)
+#define get_ictt_value(ic) ((unsigned long)ic & IC_ICTT_MASK)
+
+#define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME)
+#define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME)
+
+#define skip_bd(bdp, stride, base, ring_size) ({ \
+ typeof(bdp) new_bd = (bdp) + (stride); \
+ (new_bd >= (base) + (ring_size)) ? (new_bd - (ring_size)) : new_bd; })
+
+#define next_bd(bdp, base, ring_size) skip_bd(bdp, 1, base, ring_size)
#define RCTRL_PAL_MASK 0x001f0000
#define RCTRL_VLEX 0x00002000
#define RCTRL_PRSDEP_INIT 0x000000c0
#define RCTRL_PROM 0x00000008
#define RCTRL_EMEN 0x00000002
-#define RCTRL_CHECKSUMMING (RCTRL_IPCSEN \
- | RCTRL_TUCSEN | RCTRL_PRSDEP_INIT)
+#define RCTRL_REQ_PARSER (RCTRL_VLEX | RCTRL_IPCSEN | \
+ RCTRL_TUCSEN)
+#define RCTRL_CHECKSUMMING (RCTRL_IPCSEN | RCTRL_TUCSEN | \
+ RCTRL_PRSDEP_INIT)
#define RCTRL_EXTHASH (RCTRL_GHTX)
#define RCTRL_VLAN (RCTRL_PRSDEP_INIT)
#define RCTRL_PADDING(x) ((x << 16) & RCTRL_PAL_MASK)
#define IEVENT_CRL 0x00020000
#define IEVENT_XFUN 0x00010000
#define IEVENT_RXB0 0x00008000
+#define IEVENT_MAG 0x00000800
#define IEVENT_GRSC 0x00000100
#define IEVENT_RXF0 0x00000080
#define IEVENT_FIR 0x00000008
#define IEVENT_FIQ 0x00000004
#define IEVENT_DPE 0x00000002
#define IEVENT_PERR 0x00000001
-#define IEVENT_RX_MASK (IEVENT_RXB0 | IEVENT_RXF0)
+#define IEVENT_RX_MASK (IEVENT_RXB0 | IEVENT_RXF0 | IEVENT_BSY)
#define IEVENT_TX_MASK (IEVENT_TXB | IEVENT_TXF)
+#define IEVENT_RTX_MASK (IEVENT_RX_MASK | IEVENT_TX_MASK)
#define IEVENT_ERR_MASK \
(IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \
IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \
- | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR)
+ | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \
+ | IEVENT_MAG | IEVENT_BABR)
#define IMASK_INIT_CLEAR 0x00000000
#define IMASK_BABR 0x80000000
#define IMASK_CRL 0x00020000
#define IMASK_XFUN 0x00010000
#define IMASK_RXB0 0x00008000
+#define IMASK_MAG 0x00000800
#define IMASK_GTSC 0x00000100
#define IMASK_RXFEN0 0x00000080
#define IMASK_FIR 0x00000008
#define IMASK_FIQ 0x00000004
#define IMASK_DPE 0x00000002
#define IMASK_PERR 0x00000001
-#define IMASK_RX_DISABLED ~(IMASK_RXFEN0 | IMASK_BSY)
#define IMASK_DEFAULT (IMASK_TXEEN | IMASK_TXFEN | IMASK_TXBEN | \
IMASK_RXFEN0 | IMASK_BSY | IMASK_EBERR | IMASK_BABR | \
IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \
| IMASK_PERR)
+#define IMASK_RTX_DISABLED ((~(IMASK_RXFEN0 | IMASK_TXFEN | IMASK_BSY)) \
+ & IMASK_DEFAULT)
/* Fifo management */
#define FIFO_TX_THR_MASK 0x01ff
#define ATTRELI_EI_MASK 0x00003fff
#define ATTRELI_EI(x) (x)
+#define BD_LFLAG(flags) ((flags) << 16)
+#define BD_LENGTH_MASK 0x0000ffff
/* TxBD status field bits */
#define TXBD_READY 0x8000
#define RXBD_OVERRUN 0x0002
#define RXBD_TRUNCATED 0x0001
#define RXBD_STATS 0x01ff
+#define RXBD_ERR (RXBD_LARGE | RXBD_SHORT | RXBD_NONOCTET \
+ | RXBD_CRCERR | RXBD_OVERRUN \
+ | RXBD_TRUNCATED)
/* Rx FCB status field bits */
#define RXFCB_VLN 0x8000
#define RXFCB_PERR_MASK 0x000c
#define RXFCB_PERR_BADL3 0x0008
+#define GFAR_INT_NAME_MAX IFNAMSIZ + 4
+
struct txbd8
{
- u16 status; /* Status Fields */
- u16 length; /* Buffer length */
+ union {
+ struct {
+ u16 status; /* Status Fields */
+ u16 length; /* Buffer length */
+ };
+ u32 lstatus;
+ };
u32 bufPtr; /* Buffer Pointer */
};
struct rxbd8
{
- u16 status; /* Status Fields */
- u16 length; /* Buffer Length */
+ union {
+ struct {
+ u16 status; /* Status Fields */
+ u16 length; /* Buffer Length */
+ };
+ u32 lstatus;
+ };
u32 bufPtr; /* Buffer Pointer */
};
};
+/* Flags related to gianfar device features */
+#define FSL_GIANFAR_DEV_HAS_GIGABIT 0x00000001
+#define FSL_GIANFAR_DEV_HAS_COALESCE 0x00000002
+#define FSL_GIANFAR_DEV_HAS_RMON 0x00000004
+#define FSL_GIANFAR_DEV_HAS_MULTI_INTR 0x00000008
+#define FSL_GIANFAR_DEV_HAS_CSUM 0x00000010
+#define FSL_GIANFAR_DEV_HAS_VLAN 0x00000020
+#define FSL_GIANFAR_DEV_HAS_EXTENDED_HASH 0x00000040
+#define FSL_GIANFAR_DEV_HAS_PADDING 0x00000080
+#define FSL_GIANFAR_DEV_HAS_MAGIC_PACKET 0x00000100
+#define FSL_GIANFAR_DEV_HAS_BD_STASHING 0x00000200
+#define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400
+
/* Struct stolen almost completely (and shamelessly) from the FCC enet source
* (Ok, that's not so true anymore, but there is a family resemblence)
* The GFAR buffer descriptors track the ring buffers. The rx_bd_base
* the buffer descriptor determines the actual condition.
*/
struct gfar_private {
- /* pointers to arrays of skbuffs for tx and rx */
+ /* Fields controlled by TX lock */
+ spinlock_t txlock;
+
+ /* Pointer to the array of skbuffs */
struct sk_buff ** tx_skbuff;
- struct sk_buff ** rx_skbuff;
- /* indices pointing to the next free sbk in skb arrays */
+ /* next free skb in the array */
u16 skb_curtx;
- u16 skb_currx;
- /* index of the first skb which hasn't been transmitted
- * yet. */
+ /* First skb in line to be transmitted */
u16 skb_dirtytx;
/* Configuration info for the coalescing features */
unsigned char txcoalescing;
- unsigned short txcount;
- unsigned short txtime;
+ unsigned long txic;
+
+ /* Buffer descriptor pointers */
+ struct txbd8 *tx_bd_base; /* First tx buffer descriptor */
+ struct txbd8 *cur_tx; /* Next free ring entry */
+ struct txbd8 *dirty_tx; /* First buffer in line
+ to be transmitted */
+ unsigned int tx_ring_size;
+ unsigned int num_txbdfree; /* number of TxBDs free */
+
+ /* RX Locked fields */
+ spinlock_t rxlock;
+
+ struct device_node *node;
+ struct net_device *ndev;
+ struct of_device *ofdev;
+ struct napi_struct napi;
+
+ /* skb array and index */
+ struct sk_buff ** rx_skbuff;
+ u16 skb_currx;
+
+ /* RX Coalescing values */
unsigned char rxcoalescing;
- unsigned short rxcount;
- unsigned short rxtime;
+ unsigned long rxic;
- /* GFAR addresses */
- struct rxbd8 *rx_bd_base; /* Base addresses of Rx and Tx Buffers */
- struct txbd8 *tx_bd_base;
+ struct rxbd8 *rx_bd_base; /* First Rx buffers */
struct rxbd8 *cur_rx; /* Next free rx ring entry */
- struct txbd8 *cur_tx; /* Next free ring entry */
- struct txbd8 *dirty_tx; /* The Ring entry to be freed. */
- struct gfar *regs; /* Pointer to the GFAR memory mapped Registers */
- u32 *hash_regs[16];
- int hash_width;
- struct net_device_stats stats; /* linux network statistics */
- struct gfar_extra_stats extra_stats;
- spinlock_t lock;
+
+ /* RX parameters */
+ unsigned int rx_ring_size;
unsigned int rx_buffer_size;
unsigned int rx_stash_size;
unsigned int rx_stash_index;
- unsigned int tx_ring_size;
- unsigned int rx_ring_size;
+
+ struct sk_buff_head rx_recycle;
+
+ struct vlan_group *vlgrp;
+
+ /* Unprotected fields */
+ /* Pointer to the GFAR memory mapped Registers */
+ struct gfar __iomem *regs;
+
+ /* Hash registers and their width */
+ u32 __iomem *hash_regs[16];
+ int hash_width;
+
+ /* global parameters */
unsigned int fifo_threshold;
unsigned int fifo_starve;
unsigned int fifo_starve_off;
- unsigned char vlan_enable:1,
- rx_csum_enable:1,
+ /* Bitfield update lock */
+ spinlock_t bflock;
+
+ phy_interface_t interface;
+ struct device_node *phy_node;
+ struct device_node *tbi_node;
+ u32 device_flags;
+ unsigned char rx_csum_enable:1,
extended_hash:1,
- bd_stash_en:1;
+ bd_stash_en:1,
+ wol_en:1; /* Wake-on-LAN enabled */
unsigned short padding;
- struct vlan_group *vlgrp;
- /* Info structure initialized by board setup code */
+
unsigned int interruptTransmit;
unsigned int interruptReceive;
unsigned int interruptError;
- struct gianfar_platform_data *einfo;
+ /* PHY stuff */
struct phy_device *phydev;
struct mii_bus *mii_bus;
int oldspeed;
int oldlink;
uint32_t msg_enable;
+
+ struct work_struct reset_task;
+
+ char int_name_tx[GFAR_INT_NAME_MAX];
+ char int_name_rx[GFAR_INT_NAME_MAX];
+ char int_name_er[GFAR_INT_NAME_MAX];
+
+ /* Network Statistics */
+ struct gfar_extra_stats extra_stats;
};
-extern inline u32 gfar_read(volatile unsigned *addr)
+static inline u32 gfar_read(volatile unsigned __iomem *addr)
{
u32 val;
val = in_be32(addr);
return val;
}
-extern inline void gfar_write(volatile unsigned *addr, u32 val)
+static inline void gfar_write(volatile unsigned __iomem *addr, u32 val)
{
out_be32(addr, val);
}
-extern struct ethtool_ops *gfar_op_array[];
-
-extern irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs);
+extern irqreturn_t gfar_receive(int irq, void *dev_id);
extern int startup_gfar(struct net_device *dev);
extern void stop_gfar(struct net_device *dev);
extern void gfar_halt(struct net_device *dev);
int enable, u32 regnum, u32 read);
void gfar_init_sysfs(struct net_device *dev);
+extern const struct ethtool_ops gfar_ethtool_ops;
+
#endif /* __GIANFAR_H */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff