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 */
95 struct _CR { //COMMAND REG
96 uint_t stp: 1; //STOP- software reset
97 uint_t sta: 1; //START- activates NIC
98 uint_t txp: 1; //TRANSMIT- set to send
99 uint_t rd: 3; //REMOTE DMA
100 uint_t ps: 2; //PAGE SELECT
101 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
103 struct _ISR{ //INTERRUPT STATUS REG
104 uint_t prx: 1; //PACKET RECIEVED
105 uint_t ptx: 1; //PACKET TRANSMITTED
106 uint_t rxe: 1; //TRANSMIT ERROR
107 uint_t txe: 1; //RECEIVE ERROR
108 uint_t ovw: 1; //OVERWRITE WARNING
109 uint_t cnt: 1; //COUNTER OVERFLOW
110 uint_t rdc: 1; //REMOTE DMA COMPLETE
111 uint_t rst: 1; //RESET STATUS
112 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
114 struct _IMR { //INTERRUPT MASK REG
115 uint_t prxe: 1; //PACKET RX INTRPT
116 uint_t ptxe: 1; //PACKET TX INTRPT
117 uint_t rxee: 1; //RX ERROR INTRPT
118 uint_t txee: 1; //TX ERROR INTRPt
119 uint_t ovwe: 1; //OVERWRITE WARNING INTRPT
120 uint_t cnte: 1; //COUNTER OVERFLOW INTRPT
121 uint_t rdce: 1; //DMA COMLETE INTRPT
123 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
125 struct _DCR { //DATA CONFIG REGISTER
126 uint_t wts: 1; //WORD TRANSFER SELECT
127 uint_t bos: 1; //BYTE ORDER SELECT
128 uint_t las: 1; //LONG ADDR SELECT
129 uint_t ls: 1; //LOOPBACK SELECT
130 uint_t arm: 1; //AUTO-INITIALIZE REMOTE
131 uint_t ft: 2; //FIFO THRESH SELECT
132 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
134 struct _TCR { //TX CONFIG REGISTER
135 uint_t crc: 1; //INHIBIT CRC
136 uint_t lb: 2; //ENCODED LOOPBACK
137 uint_t atd: 1; //AUTO TRANSMIT
138 uint_t ofst: 1; //COLLISION OFFSET ENABLE
140 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
143 uint_t ptx: 1; //PACKET TX
145 uint_t col: 1; //TX COLLIDED
146 uint_t abt: 1; //TX ABORTED
147 uint_t crs: 1; //CARRIER SENSE LOST
148 uint_t fu: 1; //FIFO UNDERRUN
149 uint_t cdh: 1; //CD HEARTBEAT
150 uint_t owc: 1; //OUT OF WINDOW COLLISION
151 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
153 struct _RCR { //RECEIVE CONFIGURATION REGISTER
154 uint_t sep: 1; //SAVE ERRORED PACKETS
155 uint_t ar: 1; //ACCEPT RUNT PACKETS
156 uint_t ab: 1; //ACCEPT BROADCAST
157 uint_t am: 1; //ACCEPT MULTICAST
158 uint_t pro: 1; //PROMISCUOUS PHYSICAL
159 uint_t mon: 1; //MONITOR MODE
161 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
163 struct _RSR { //RECEIVE STATUS REG
164 uint_t prx: 1; //PACKET RX INTACT
165 uint_t crc: 1; //CRC ERROR
166 uint_t fae: 1; //FRAME ALIGNMENT ERROR
167 uint_t fo: 1; //FIFO OVERRUN
168 uint_t mpa: 1; //MISSED PACKET
169 uint_t phy: 1; //PHYSICAL/MULTICAST ADDR
170 uint_t dis: 1; //RX DISABLED
171 uint_t dfr: 1; //DEFERRING
172 }__attribute__((__packed__)) __attribute__((__aligned__(1)));
174 struct NE2K_Packet_Info {
183 int NE2K_Transmit(uint_t size);
184 int NE2K_Send_Packet(uchar_t *packet, uint_t size);
185 int NE2K_Send(uchar_t src[], uchar_t dest[], uint_t type, uchar_t *data, uint_t size);
187 #endif /* GEEKOS_NE2K_H */