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/*
* 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);
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