diff options
Diffstat (limited to 'drivers/net/ethernet/adi/bfin_mac.h')
| -rw-r--r-- | drivers/net/ethernet/adi/bfin_mac.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/drivers/net/ethernet/adi/bfin_mac.h b/drivers/net/ethernet/adi/bfin_mac.h new file mode 100644 index 00000000000..6dec86ac97c --- /dev/null +++ b/drivers/net/ethernet/adi/bfin_mac.h @@ -0,0 +1,109 @@ +/* + * 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/ptp_clock_kernel.h> +#include <linux/timer.h> +#include <linux/etherdevice.h> +#include <linux/bfin_mac.h> + +/* + * Disable hardware checksum for bug #5600 if writeback cache is + * enabled. Otherwize, corrupted RX packet will be sent up stack + * without error mark. + */ +#ifndef CONFIG_BFIN_EXTMEM_WRITEBACK +#define BFIN_MAC_CSUM_OFFLOAD +#endif + +#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; + + spinlock_t lock; + + int wol; /* Wake On Lan */ + int irq_wake_requested; + struct timer_list tx_reclaim_timer; + struct net_device *ndev; + + /* Data for EMAC_VLAN1 regs */ + u16 vlan1_mask, vlan2_mask; + + /* 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) + u32 addend; + unsigned int shift; + s32 max_ppb; + struct hwtstamp_config stamp_cfg; + struct ptp_clock_info caps; + struct ptp_clock *clock; + int phc_index; + spinlock_t phc_lock; /* protects time lo/hi registers */ +#endif +}; + +int bfin_get_ether_addr(char *addr); + +#endif |