73 строки
1.6 KiB
C
73 строки
1.6 KiB
C
/*
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* Blackfin On-Chip MAC Driver
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*
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* Copyright 2004-2007 Analog Devices Inc.
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*
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* Enter bugs at http://blackfin.uclinux.org/
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*
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* Licensed under the GPL-2 or later.
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*/
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#define BFIN_MAC_CSUM_OFFLOAD
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struct dma_descriptor {
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struct dma_descriptor *next_dma_desc;
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unsigned long start_addr;
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unsigned short config;
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unsigned short x_count;
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};
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struct status_area_rx {
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#if defined(BFIN_MAC_CSUM_OFFLOAD)
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unsigned short ip_hdr_csum; /* ip header checksum */
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/* ip payload(udp or tcp or others) checksum */
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unsigned short ip_payload_csum;
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#endif
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unsigned long status_word; /* the frame status word */
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};
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struct status_area_tx {
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unsigned long status_word; /* the frame status word */
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};
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/* use two descriptors for a packet */
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struct net_dma_desc_rx {
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struct net_dma_desc_rx *next;
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struct sk_buff *skb;
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struct dma_descriptor desc_a;
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struct dma_descriptor desc_b;
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struct status_area_rx status;
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};
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/* use two descriptors for a packet */
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struct net_dma_desc_tx {
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struct net_dma_desc_tx *next;
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struct sk_buff *skb;
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struct dma_descriptor desc_a;
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struct dma_descriptor desc_b;
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unsigned char packet[1560];
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struct status_area_tx status;
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};
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struct bf537mac_local {
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/*
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* these are things that the kernel wants me to keep, so users
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* can find out semi-useless statistics of how well the card is
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* performing
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*/
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struct net_device_stats stats;
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unsigned char Mac[6]; /* MAC address of the board */
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spinlock_t lock;
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/* MII and PHY stuffs */
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int old_link; /* used by bf537_adjust_link */
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int old_speed;
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int old_duplex;
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struct phy_device *phydev;
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struct mii_bus mii_bus;
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};
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extern void bfin_get_ether_addr(char *addr);
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