[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>

#define BFIN_MAC_CSUM_OFFLOAD

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;

	/* 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>
e190d6b1	16
e190d6b1 BW	17	#define BFIN_MAC_CSUM_OFFLOAD
	18
	19	struct dma_descriptor {
	20	struct dma_descriptor *next_dma_desc;
	21	unsigned long start_addr;
	22	unsigned short config;
	23	unsigned short x_count;
	24	};
	25
	26	struct status_area_rx {
	27	#if defined(BFIN_MAC_CSUM_OFFLOAD)
	28	unsigned short ip_hdr_csum; /* ip header checksum */
	29	/* ip payload(udp or tcp or others) checksum */
	30	unsigned short ip_payload_csum;
	31	#endif
	32	unsigned long status_word; /* the frame status word */
	33	};
	34
	35	struct status_area_tx {
	36	unsigned long status_word; /* the frame status word */
	37	};
	38
	39	/* use two descriptors for a packet */
	40	struct net_dma_desc_rx {
	41	struct net_dma_desc_rx *next;
	42	struct sk_buff *skb;
	43	struct dma_descriptor desc_a;
	44	struct dma_descriptor desc_b;
	45	struct status_area_rx status;
	46	};
	47
	48	/* use two descriptors for a packet */
	49	struct net_dma_desc_tx {
	50	struct net_dma_desc_tx *next;
	51	struct sk_buff *skb;
	52	struct dma_descriptor desc_a;
	53	struct dma_descriptor desc_b;
	54	unsigned char packet[1560];
	55	struct status_area_tx status;
	56	};
	57
7ef0a7ee	58	struct bfin_mac_local {
e190d6b1 BW	59	/*
	60	* these are things that the kernel wants me to keep, so users
	61	* can find out semi-useless statistics of how well the card is
	62	* performing
	63	*/
4ae5a3ad	64	struct net_device_stats stats;
e190d6b1	65
e190d6b1 BW	66	unsigned char Mac[6]; /* MAC address of the board */
e190d6b1 BW	67	spinlock_t lock;
4ae5a3ad BW	68
	69	/* MII and PHY stuffs */
	70	int old_link; /* used by bf537_adjust_link */
	71	int old_speed;
	72	int old_duplex;
	73
	74	struct phy_device *phydev;
298cf9be	75	struct mii_bus *mii_bus;
fe92afed BS	76
	77	#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
	78	struct cyclecounter cycles;
	79	struct timecounter clock;
	80	struct timecompare compare;
	81	struct hwtstamp_config stamp_cfg;
	82	#endif
e190d6b1 BW	83	};
e190d6b1 BW	84
9862cc52	85	extern void bfin_get_ether_addr(char *addr);
fe92afed BS	86
fe92afed BS	87	#endif