[deliverable/linux.git] / drivers / net / bfin_mac.h

/*
 * Blackfin On-Chip MAC Driver
 *
 * Copyright 2004-2007 Analog Devices Inc.
 *
 * Enter bugs at http://blackfin.uclinux.org/
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef _BFIN_MAC_H_
#define _BFIN_MAC_H_

#include <linux/net_tstamp.h>
#include <linux/clocksource.h>
#include <linux/timecompare.h>
#include <linux/timer.h>

#define BFIN_MAC_CSUM_OFFLOAD

#define TX_RECLAIM_JIFFIES (HZ / 5)

struct dma_descriptor {
	struct dma_descriptor *next_dma_desc;
	unsigned long start_addr;
	unsigned short config;
	unsigned short x_count;
};

struct status_area_rx {
#if defined(BFIN_MAC_CSUM_OFFLOAD)
	unsigned short ip_hdr_csum;	/* ip header checksum */
	/* ip payload(udp or tcp or others) checksum */
	unsigned short ip_payload_csum;
#endif
	unsigned long status_word;	/* the frame status word */
};

struct status_area_tx {
	unsigned long status_word;	/* the frame status word */
};

/* use two descriptors for a packet */
struct net_dma_desc_rx {
	struct net_dma_desc_rx *next;
	struct sk_buff *skb;
	struct dma_descriptor desc_a;
	struct dma_descriptor desc_b;
	struct status_area_rx status;
};

/* use two descriptors for a packet */
struct net_dma_desc_tx {
	struct net_dma_desc_tx *next;
	struct sk_buff *skb;
	struct dma_descriptor desc_a;
	struct dma_descriptor desc_b;
	unsigned char packet[1560];
	struct status_area_tx status;
};

struct bfin_mac_local {
	/*
	 * these are things that the kernel wants me to keep, so users
	 * can find out semi-useless statistics of how well the card is
	 * performing
	 */
	struct net_device_stats stats;

	unsigned char Mac[6];	/* MAC address of the board */
	spinlock_t lock;

	int wol;		/* Wake On Lan */
	int irq_wake_requested;
	struct timer_list tx_reclaim_timer;
	struct net_device *ndev;

	/* MII and PHY stuffs */
	int old_link;          /* used by bf537_adjust_link */
	int old_speed;
	int old_duplex;

	struct phy_device *phydev;
	struct mii_bus *mii_bus;

#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
	struct cyclecounter cycles;
	struct timecounter clock;
	struct timecompare compare;
	struct hwtstamp_config stamp_cfg;
#endif
};

extern void bfin_get_ether_addr(char *addr);

#endif
Commit	Line	Data
e190d6b1	1	/*
2fb9d6f5	2	* Blackfin On-Chip MAC Driver
e190d6b1	3	*
2fb9d6f5	4	* Copyright 2004-2007 Analog Devices Inc.
e190d6b1	5	*
2fb9d6f5	6	* Enter bugs at http://blackfin.uclinux.org/
e190d6b1	7	*
2fb9d6f5	8	* Licensed under the GPL-2 or later.
e190d6b1	9	*/
fe92afed BS	10	#ifndef _BFIN_MAC_H_
	11	#define _BFIN_MAC_H_
	12
	13	#include <linux/net_tstamp.h>
	14	#include <linux/clocksource.h>
	15	#include <linux/timecompare.h>
4fcc3d34	16	#include <linux/timer.h>
e190d6b1	17
e190d6b1 BW	18	#define BFIN_MAC_CSUM_OFFLOAD
e190d6b1 BW	19
4fcc3d34 SZ	20	#define TX_RECLAIM_JIFFIES (HZ / 5)
4fcc3d34 SZ	21
e190d6b1 BW	22	struct dma_descriptor {
	23	struct dma_descriptor *next_dma_desc;
	24	unsigned long start_addr;
	25	unsigned short config;
	26	unsigned short x_count;
	27	};
	28
	29	struct status_area_rx {
	30	#if defined(BFIN_MAC_CSUM_OFFLOAD)
	31	unsigned short ip_hdr_csum; /* ip header checksum */
	32	/* ip payload(udp or tcp or others) checksum */
	33	unsigned short ip_payload_csum;
	34	#endif
	35	unsigned long status_word; /* the frame status word */
	36	};
	37
	38	struct status_area_tx {
	39	unsigned long status_word; /* the frame status word */
	40	};
	41
	42	/* use two descriptors for a packet */
	43	struct net_dma_desc_rx {
	44	struct net_dma_desc_rx *next;
	45	struct sk_buff *skb;
	46	struct dma_descriptor desc_a;
	47	struct dma_descriptor desc_b;
	48	struct status_area_rx status;
	49	};
	50
	51	/* use two descriptors for a packet */
	52	struct net_dma_desc_tx {
	53	struct net_dma_desc_tx *next;
	54	struct sk_buff *skb;
	55	struct dma_descriptor desc_a;
	56	struct dma_descriptor desc_b;
	57	unsigned char packet[1560];
	58	struct status_area_tx status;
	59	};
	60
7ef0a7ee	61	struct bfin_mac_local {
e190d6b1 BW	62	/*
	63	* these are things that the kernel wants me to keep, so users
	64	* can find out semi-useless statistics of how well the card is
	65	* performing
	66	*/
4ae5a3ad	67	struct net_device_stats stats;
e190d6b1	68
e190d6b1 BW	69	unsigned char Mac[6]; /* MAC address of the board */
e190d6b1 BW	70	spinlock_t lock;
4ae5a3ad	71
53fd3f28 MH	72	int wol; /* Wake On Lan */
53fd3f28 MH	73	int irq_wake_requested;
4fcc3d34 SZ	74	struct timer_list tx_reclaim_timer;
4fcc3d34 SZ	75	struct net_device *ndev;
53fd3f28	76
4ae5a3ad BW	77	/* MII and PHY stuffs */
	78	int old_link; /* used by bf537_adjust_link */
	79	int old_speed;
	80	int old_duplex;
	81
	82	struct phy_device *phydev;
298cf9be	83	struct mii_bus *mii_bus;
fe92afed BS	84
	85	#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
	86	struct cyclecounter cycles;
	87	struct timecounter clock;
	88	struct timecompare compare;
	89	struct hwtstamp_config stamp_cfg;
	90	#endif
e190d6b1 BW	91	};
e190d6b1 BW	92
9862cc52	93	extern void bfin_get_ether_addr(char *addr);
fe92afed BS	94
fe92afed BS	95	#endif