58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
|
|
* IXP2000 MSF network device driver
|
|
* Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org>
|
|
* Dedicated to Marija Kulikova.
|
|
*
|
|
* 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 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef __IXPDEV_PRIV_H
|
|
#define __IXPDEV_PRIV_H
|
|
|
|
#define RX_BUF_DESC_BASE 0x00001000
|
|
#define RX_BUF_COUNT ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_rx_desc)))
|
|
#define TX_BUF_DESC_BASE 0x00002000
|
|
#define TX_BUF_COUNT ((3 * PAGE_SIZE) / (4 * sizeof(struct ixpdev_tx_desc)))
|
|
#define TX_BUF_COUNT_PER_CHAN (TX_BUF_COUNT / 4)
|
|
|
|
#define RING_RX_PENDING ((u32 *)IXP2000_SCRATCH_RING_VIRT_BASE)
|
|
#define RING_RX_DONE ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 4))
|
|
#define RING_TX_PENDING ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 8))
|
|
#define RING_TX_DONE ((u32 *)(IXP2000_SCRATCH_RING_VIRT_BASE + 12))
|
|
|
|
#define SCRATCH_REG(x) ((u32 *)(IXP2000_GLOBAL_REG_VIRT_BASE | 0x0800 | (x)))
|
|
#define RING_RX_PENDING_BASE SCRATCH_REG(0x00)
|
|
#define RING_RX_PENDING_HEAD SCRATCH_REG(0x04)
|
|
#define RING_RX_PENDING_TAIL SCRATCH_REG(0x08)
|
|
#define RING_RX_DONE_BASE SCRATCH_REG(0x10)
|
|
#define RING_RX_DONE_HEAD SCRATCH_REG(0x14)
|
|
#define RING_RX_DONE_TAIL SCRATCH_REG(0x18)
|
|
#define RING_TX_PENDING_BASE SCRATCH_REG(0x20)
|
|
#define RING_TX_PENDING_HEAD SCRATCH_REG(0x24)
|
|
#define RING_TX_PENDING_TAIL SCRATCH_REG(0x28)
|
|
#define RING_TX_DONE_BASE SCRATCH_REG(0x30)
|
|
#define RING_TX_DONE_HEAD SCRATCH_REG(0x34)
|
|
#define RING_TX_DONE_TAIL SCRATCH_REG(0x38)
|
|
|
|
struct ixpdev_rx_desc
|
|
{
|
|
u32 buf_addr;
|
|
u32 buf_length;
|
|
u32 channel;
|
|
u32 pkt_length;
|
|
};
|
|
|
|
struct ixpdev_tx_desc
|
|
{
|
|
u32 buf_addr;
|
|
u32 pkt_length;
|
|
u32 channel;
|
|
u32 unused;
|
|
};
|
|
|
|
|
|
#endif
|