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