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/****************************************************************************
* drivers/net/e1000.h
*
* Copyright (C) 2011 Yu Qiang. All rights reserved.
* Author: Yu Qiang <yuq825@gmail.com>
*
* This file is a part of NuttX:
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __DRIVERS_NET_E1000_H
#define __DRIVERS_NET_E1000_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/************** PCI ID ***************/
#define INTEL_VENDERID 0x8086
#define E1000_82573L 0x109a
#define E1000_82540EM 0x100e
#define E1000_82574L 0x10d3
#define E1000_82567LM 0x10f5
#define E1000_82541PI 0x107c
/****************************************************************************
* Public Types
****************************************************************************/
enum e1000_registers {
E1000_CTRL = 0x0000, // Device Control
E1000_STATUS = 0x0008, // Device Status
E1000_CTRL_EXT = 0x0018, // Device Control Extension
E1000_FCAL = 0x0028, // Flow Control Address Low
E1000_FCAH = 0x002C, // Flow Control Address High
E1000_FCT = 0x0030, // Flow Control Type
E1000_ICR = 0x00C0, // Interrupt Cause Read
E1000_ICS = 0x00C8, // Interrupt Cause Set
E1000_IMS = 0x00D0, // Interrupt Mask Set
E1000_IMC = 0x00D8, // Interrupt Mask Clear
E1000_RCTL = 0x0100, // Receive Control
E1000_FCTTV = 0x0170, // Flow Control Transmit Timer Value
E1000_TCTL = 0x0400, // Transmit Control
E1000_PBA = 0x1000, // Packet Buffer Allocation
E1000_FCRTL = 0x2160, // Flow Control Receive Threshold Low
E1000_FCRTH = 0x2168, // Flow Control Receive Threshold High
E1000_RDBAL = 0x2800, // Rx Descriptor Base Address Low
E1000_RDBAH = 0x2804, // Rx Descriptor Base Address High
E1000_RDLEN = 0x2808, // Rx Descriptor Length
E1000_RDH = 0x2810, // Rx Descriptor Head
E1000_RDT = 0x2818, // Rx Descriptor Tail
E1000_RXDCTL = 0x2828, // Rx Descriptor Control
E1000_TDBAL = 0x3800, // Tx Descriptor Base Address Low
E1000_TDBAH = 0x3804, // Tx Descriptor Base Address High
E1000_TDLEN = 0x3808, // Tx Descriptor Length
E1000_TDH = 0x3810, // Tx Descriptor Head
E1000_TDT = 0x3818, // Tx Descriptor Tail
E1000_TXDCTL = 0x3828, // Tx Descriptor Control
E1000_TPR = 0x40D0, // Total Packets Received
E1000_TPT = 0x40D4, // Total Packets Transmitted
E1000_RA = 0x5400, // Receive-filter Array
};
/***************** e1000 device structure *****************/
struct tx_desc {
uint64_t base_address;
uint16_t packet_length;
uint8_t cksum_offset;
uint8_t desc_command;
uint8_t desc_status;
uint8_t cksum_origin;
uint16_t special_info;
};
struct rx_desc {
uint64_t base_address;
uint16_t packet_length;
uint16_t packet_cksum;
uint8_t desc_status;
uint8_t desc_errors;
uint16_t vlan_tag;
};
#endif
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