[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.
 */

#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;
};

extern void bfin_get_ether_addr(char *addr);
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 BW	9	*/
e190d6b1 BW	10
e190d6b1 BW	11	#define BFIN_MAC_CSUM_OFFLOAD
	12
	13	struct dma_descriptor {
	14	struct dma_descriptor *next_dma_desc;
	15	unsigned long start_addr;
	16	unsigned short config;
	17	unsigned short x_count;
	18	};
	19
	20	struct status_area_rx {
	21	#if defined(BFIN_MAC_CSUM_OFFLOAD)
	22	unsigned short ip_hdr_csum; /* ip header checksum */
	23	/* ip payload(udp or tcp or others) checksum */
	24	unsigned short ip_payload_csum;
	25	#endif
	26	unsigned long status_word; /* the frame status word */
	27	};
	28
	29	struct status_area_tx {
	30	unsigned long status_word; /* the frame status word */
	31	};
	32
	33	/* use two descriptors for a packet */
	34	struct net_dma_desc_rx {
	35	struct net_dma_desc_rx *next;
	36	struct sk_buff *skb;
	37	struct dma_descriptor desc_a;
	38	struct dma_descriptor desc_b;
	39	struct status_area_rx status;
	40	};
	41
	42	/* use two descriptors for a packet */
	43	struct net_dma_desc_tx {
	44	struct net_dma_desc_tx *next;
	45	struct sk_buff *skb;
	46	struct dma_descriptor desc_a;
	47	struct dma_descriptor desc_b;
	48	unsigned char packet[1560];
	49	struct status_area_tx status;
	50	};
	51
7ef0a7ee	52	struct bfin_mac_local {
e190d6b1 BW	53	/*
	54	* these are things that the kernel wants me to keep, so users
	55	* can find out semi-useless statistics of how well the card is
	56	* performing
	57	*/
4ae5a3ad	58	struct net_device_stats stats;
e190d6b1	59
e190d6b1 BW	60	unsigned char Mac[6]; /* MAC address of the board */
e190d6b1 BW	61	spinlock_t lock;
4ae5a3ad BW	62
	63	/* MII and PHY stuffs */
	64	int old_link; /* used by bf537_adjust_link */
	65	int old_speed;
	66	int old_duplex;
	67
	68	struct phy_device *phydev;
298cf9be	69	struct mii_bus *mii_bus;
e190d6b1 BW	70	};
e190d6b1 BW	71
9862cc52	72	extern void bfin_get_ether_addr(char *addr);