diff options
Diffstat (limited to 'linux/drivers/net/bfin_mac.h')
-rw-r--r-- | linux/drivers/net/bfin_mac.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/linux/drivers/net/bfin_mac.h b/linux/drivers/net/bfin_mac.h new file mode 100644 index 000000000..052b5dce3 --- /dev/null +++ b/linux/drivers/net/bfin_mac.h @@ -0,0 +1,72 @@ +/* + * 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); |