2 * This file is part of the Palacios Virtual Machine Monitor developed
3 * by the V3VEE Project with funding from the United States National
4 * Science Foundation and the Department of Energy.
6 * The V3VEE Project is a joint project between Northwestern University
7 * and the University of New Mexico. You can find out more at
10 * Copyright (c) 2008, Matt Wojcik
11 * Copyright (c) 2008, Peter Kamm
12 * Copyright (c) 2008, The V3VEE Project <http://www.v3vee.org>
13 * All rights reserved.
18 * This is free software. You are permitted to use,
19 * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
25 #include <geekos/malloc.h>
27 #define NE2K_PAGE0 0x00
28 #define NE2K_PAGE1 0x40
29 #define NE2K_PAGE2 0x80
30 #define NE2K_PAGE3 0xc0
32 #define NE2K_BASE_ADDR 0xc100 /* Starting address of the card */
33 #define NE2K_CR NE2K_BASE_ADDR /* Command register */
34 #define NE2K_DATAPORT (NE2K_CR + 0x10)
35 #define NE2K_RESET (NE2K_CR + 0x1f)
37 /* Page 0 register offsets */
38 #define NE2K CLDA0 (NE2K_CR + 0x01)
39 #define NE2K_PSTART (NE2K_CR + 0x01) /* Page start register */
40 #define NE2K_CLDA1 (NE2K_CR + 0x02)
41 #define NE2K_PSTOP (NE2K_CR + 0x02) /* Page stop register */
42 #define NE2K_BNRY (NE2K_CR + 0x03) /* Boundary register */
43 #define NE2K_TSR (NE2K_CR + 0x04)
44 #define NE2K_TPSR (NE2K_CR + 0x04)
45 #define NE2K_NCR (NE2K_CR + 0x05)
46 #define NE2K_TBCR0 (NE2K_CR + 0x05)
47 #define NE2K_FIFO (NE2K_CR + 0x06)
48 #define NE2K_TBCR1 (NE2K_CR + 0x06)
49 #define NE2K_ISR (NE2K_CR + 0x07) /* Interrupt status register */
50 #define NE2K_CRDA0 (NE2K_CR + 0x08)
51 #define NE2K_RSAR0 (NE2K_CR + 0x08) /* Remote start address registers */
52 #define NE2K_CRDA1 (NE2K_CR + 0x09)
53 #define NE2K_RSAR1 (NE2K_CR + 0x09)
54 #define NE2K_RBCR0 (NE2K_CR + 0x0a) /* Remote byte count registers */
55 #define NE2K_RBCR1 (NE2K_CR + 0x0b)
56 #define NE2K_RSR (NE2K_CR + 0x0c)
57 #define NE2K_RCR (NE2K_CR + 0x0c) /* Receive configuration register */
58 #define NE2K_CNTR0 (NE2K_CR + 0x0d)
59 #define NE2K_TCR (NE2K_CR + 0x0d) /* Transmit configuration register */
60 #define NE2K_CNTR1 (NE2K_CR + 0x0e)
61 #define NE2K_DCR (NE2K_CR + 0x0e) /* Data configuration register */
62 #define NE2K_CNTR2 (NE2K_CR + 0x0f)
63 #define NE2K_IMR (NE2K_CR + 0x0f) /* Interrupt mask register */
65 /* Page 1 register offsets */
66 #define NE2K_PAR0 (NE2K_CR + 0x01)
67 #define NE2K_PAR1 (NE2K_CR + 0x02)
68 #define NE2K_PAR2 (NE2K_CR + 0x03)
69 #define NE2K_PAR3 (NE2K_CR + 0x04)
70 #define NE2K_PAR4 (NE2K_CR + 0x05)
71 #define NE2K_PAR5 (NE2K_CR + 0x06)
72 #define NE2K_CURR (NE2K_CR + 0x07)
73 #define NE2K_MAR0 (NE2K_CR + 0x08)
74 #define NE2K_MAR1 (NE2K_CR + 0x09)
75 #define NE2K_MAR2 (NE2K_CR + 0x0a)
76 #define NE2K_MAR3 (NE2K_CR + 0x0b)
77 #define NE2K_MAR4 (NE2K_CR + 0x0c)
78 #define NE2K_MAR5 (NE2K_CR + 0x0d)
79 #define NE2K_MAR6 (NE2K_CR + 0x0e)
80 #define NE2K_MAR7 (NE2K_CR + 0x0f)
82 #define NE2K_IRQ 11 /* Interrupt channel */
85 /* Physical Address of Network Card */
86 #define PHY_ADDR1 0x52
87 #define PHY_ADDR2 0x54
88 #define PHY_ADDR3 0x00
89 #define PHY_ADDR4 0x12
90 #define PHY_ADDR5 0x34
91 #define PHY_ADDR6 0x58
105 struct _CR { //COMMAND REG
106 uint_t stp: 1; //STOP- software reset
107 uint_t sta: 1; //START- activates NIC
108 uint_t txp: 1; //TRANSMIT- set to send
109 uint_t rd: 3; //REMOTE DMA
110 uint_t ps: 2; //PAGE SELECT
111 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
113 struct _ISR{ //INTERRUPT STATUS REG
114 uint_t prx: 1; //PACKET RECIEVED
115 uint_t ptx: 1; //PACKET TRANSMITTED
116 uint_t rxe: 1; //TRANSMIT ERROR
117 uint_t txe: 1; //RECEIVE ERROR
118 uint_t ovw: 1; //OVERWRITE WARNING
119 uint_t cnt: 1; //COUNTER OVERFLOW
120 uint_t rdc: 1; //REMOTE DMA COMPLETE
121 uint_t rst: 1; //RESET STATUS
122 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
124 struct _IMR { //INTERRUPT MASK REG
125 uint_t prxe: 1; //PACKET RX INTRPT
126 uint_t ptxe: 1; //PACKET TX INTRPT
127 uint_t rxee: 1; //RX ERROR INTRPT
128 uint_t txee: 1; //TX ERROR INTRPt
129 uint_t ovwe: 1; //OVERWRITE WARNING INTRPT
130 uint_t cnte: 1; //COUNTER OVERFLOW INTRPT
131 uint_t rdce: 1; //DMA COMLETE INTRPT
133 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
135 struct _DCR { //DATA CONFIG REGISTER
136 uint_t wts: 1; //WORD TRANSFER SELECT
137 uint_t bos: 1; //BYTE ORDER SELECT
138 uint_t las: 1; //LONG ADDR SELECT
139 uint_t ls: 1; //LOOPBACK SELECT
140 uint_t arm: 1; //AUTO-INITIALIZE REMOTE
141 uint_t ft: 2; //FIFO THRESH SELECT
142 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
144 struct _TCR { //TX CONFIG REGISTER
145 uint_t crc: 1; //INHIBIT CRC
146 uint_t lb: 2; //ENCODED LOOPBACK
147 uint_t atd: 1; //AUTO TRANSMIT
148 uint_t ofst: 1; //COLLISION OFFSET ENABLE
150 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
153 uint_t ptx: 1; //PACKET TX
155 uint_t col: 1; //TX COLLIDED
156 uint_t abt: 1; //TX ABORTED
157 uint_t crs: 1; //CARRIER SENSE LOST
158 uint_t fu: 1; //FIFO UNDERRUN
159 uint_t cdh: 1; //CD HEARTBEAT
160 uint_t owc: 1; //OUT OF WINDOW COLLISION
161 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
163 struct _RCR { //RECEIVE CONFIGURATION REGISTER
164 uint_t sep: 1; //SAVE ERRORED PACKETS
165 uint_t ar: 1; //ACCEPT RUNT PACKETS
166 uint_t ab: 1; //ACCEPT BROADCAST
167 uint_t am: 1; //ACCEPT MULTICAST
168 uint_t pro: 1; //PROMISCUOUS PHYSICAL
169 uint_t mon: 1; //MONITOR MODE
171 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
173 struct _RSR { //RECEIVE STATUS REG
174 uint_t prx: 1; //PACKET RX INTACT
175 uint_t crc: 1; //CRC ERROR
176 uint_t fae: 1; //FRAME ALIGNMENT ERROR
177 uint_t fo: 1; //FIFO OVERRUN
178 uint_t mpa: 1; //MISSED PACKET
179 uint_t phy: 1; //PHYSICAL/MULTICAST ADDR
180 uint_t dis: 1; //RX DISABLED
181 uint_t dfr: 1; //DEFERRING
182 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
184 struct NE2K_Packet_Info {
193 int NE2K_Transmit(uint_t size);
194 int NE2K_Send_Packet(uchar_t *packet, uint_t size);
195 int NE2K_Send(uchar_t src[], uchar_t dest[], uint_t type, uchar_t *data, uint_t size);
197 #endif /* GEEKOS_NE2K_H */