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/*
* File: drivers/net/bfin_mac.c
* Based on:
* Maintainer:
* Bryan Wu <bryan.wu@analog.com>
*
* Original author:
* Luke Yang <luke.yang@analog.com>
*
* Created:
* Description:
*
* Modified:
* Copyright 2004-2006 Analog Devices Inc.
*
* Bugs: Enter bugs at http://blackfin.uclinux.org/
*
* This program is free software ; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation ; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY ; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program ; see the file COPYING.
* If not, write to the Free Software Foundation,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#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 bf537mac_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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