FreeBSD/Linux Kernel Cross Reference
sys/i386/isa/if_lnc.h
1 /*-
2 * Copyright (c) 1994-1998
3 * Paul Richards. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer,
10 * verbatim and that no modifications are made prior to this
11 * point in the file.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Paul Richards.
18 * 4. The name Paul Richards may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY PAUL RICHARDS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL PAUL RICHARDS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD$
34 */
35
36 #include <i386/isa/ic/Am7990.h>
37
38 /*
39 * Initialize multicast address hashing registers to accept
40 * all multicasts (only used when in promiscuous mode)
41 */
42 #define MULTI_INIT_ADDR 0xff
43
44 #define NORMAL 0
45
46 #define NRDRE 3
47 #define NTDRE 3
48 #define RECVBUFSIZE 1518 /* Packet size rounded to dword boundary */
49 #define TRANSBUFSIZE 1518
50 #define MBUF_CACHE_LIMIT 0
51
52 #define MEM_SLEW 8
53
54 /* LNC Flags */
55 #define LNC_INITIALISED 1
56 #define LNC_ALLMULTI 2
57
58 /* BICC port addresses */
59 #define BICC_IOSIZE 16
60 #define BICC_RDP 0x0c /* Register Data Port */
61 #define BICC_RAP 0x0e /* Register Address Port */
62
63 /* NE2100 port addresses */
64 #define NE2100_IOSIZE 24
65 #define PCNET_RDP 0x10 /* Register Data Port */
66 #define PCNET_RAP 0x12 /* Register Address Port */
67 #define PCNET_RESET 0x14
68 #define PCNET_BDP 0x16
69 #define PCNET_VSW 0x18
70
71 /* DEPCA port addresses */
72 #define DEPCA_IOSIZE 16
73 #define DEPCA_CTRL 0x00 /* NIC Control and status register */
74 #define DEPCA_RDP 0x04 /* Register Data Port */
75 #define DEPCA_RAP 0x06 /* Register Address Port */
76 #define DEPCA_ADP 0x0c
77
78 /* DEPCA specific defines */
79 #define DEPCA_ADDR_ROM_SIZE 32
80
81 #ifdef PC98
82 /* C-NET(98)S port addresses */
83 #define CNET98S_RDP 0x400 /* Register Data Port */
84 #define CNET98S_RAP 0x402 /* Register Address Port */
85 #define CNET98S_RESET 0x404
86 #define CNET98S_IDP 0x406
87 #define CNET98S_EEPROM 0x40e
88 /*
89 * XXX - The I/O address range is fragmented in the C-NET(98)S.
90 * This is the number of regs at iobase.
91 */
92 #define CNET98S_IOSIZE 16 /* # of i/o addresses used. */
93 #endif
94
95 /* Chip types */
96 #define LANCE 1 /* Am7990 */
97 #define C_LANCE 2 /* Am79C90 */
98 #define PCnet_ISA 3 /* Am79C960 */
99 #define PCnet_ISAplus 4 /* Am79C961 */
100 #define PCnet_ISA_II 5 /* Am79C961A */
101 #define PCnet_32 6 /* Am79C965 */
102 #define PCnet_PCI 7 /* Am79C970 */
103 #define PCnet_PCI_II 8 /* Am79C970A */
104 #define PCnet_FAST 9 /* Am79C971 */
105 #define PCnet_FASTplus 10 /* Am79C972 */
106 #define PCnet_Home 11 /* Am79C978 */
107
108
109 /* CSR88-89: Chip ID masks */
110 #define AMD_MASK 0x003
111 #define PART_MASK 0xffff
112 #define Am79C960 0x0003
113 #define Am79C961 0x2260
114 #define Am79C961A 0x2261
115 #define Am79C965 0x2430
116 #define Am79C970 0x0242
117 #define Am79C970A 0x2621
118 #define Am79C971 0x2623
119 #define Am79C972 0x2624
120 #define Am79C973 0x2625
121 #define Am79C978 0x2626
122
123 /* Board types */
124 #define UNKNOWN 0
125 #define BICC 1
126 #define NE2100 2
127 #define DEPCA 3
128 #define CNET98S 4 /* PC-98 */
129
130 /* mem_mode values */
131 #define DMA_FIXED 1
132 #define DMA_MBUF 2
133 #define SHMEM 4
134
135 #define MEM_MODES \
136 "\2\3SHMEM\2DMA_MBUF\1DMA_FIXED"
137
138 #define CSR0_FLAGS \
139 "\2\20ERR\17BABL\16CERR\15MISS\14MERR\13RINT\12TINT\11IDON\
140 \10INTR\07INEA\06RXON\05TXON\04TDMD\03STOP\02STRT\01INIT"
141
142 #define INIT_MODE \
143 "\2\20PROM\07INTL\06DRTY\05COLL\04DTCR\03LOOP\02DTX\01DRX"
144
145 #define RECV_MD1 \
146 "\2\10OWN\7ERR\6FRAM\5OFLO\4CRC\3BUFF\2STP\1ENP"
147
148 #define TRANS_MD1 \
149 "\2\10OWN\7ERR\6RES\5MORE\4ONE\3DEF\2STP\1ENP"
150
151 #define TRANS_MD3 \
152 "\2\6BUFF\5UFLO\4RES\3LCOL\2LCAR\1RTRY"
153
154 struct nic_info {
155 int ident; /* Type of card */
156 int ic; /* Type of ic, Am7990, Am79C960 etc. */
157 int mem_mode;
158 int iobase;
159 int mode; /* Mode setting at initialization */
160 };
161
162 struct host_ring_entry {
163 struct mds *md;
164 union {
165 struct mbuf *mbuf;
166 char *data;
167 }buff;
168 };
169
170 #ifdef LNC_KEEP_STATS
171 #define LNCSTATS_STRUCT \
172 struct lnc_stats { \
173 int idon; \
174 int rint; \
175 int tint; \
176 int cerr; \
177 int babl; \
178 int miss; \
179 int merr; \
180 int rxoff; \
181 int txoff; \
182 int terr; \
183 int lcol; \
184 int lcar; \
185 int tbuff; \
186 int def; \
187 int more; \
188 int one; \
189 int uflo; \
190 int rtry; \
191 int rerr; \
192 int fram; \
193 int oflo; \
194 int crc; \
195 int rbuff; \
196 int drop_packet; \
197 int trans_ring_full; \
198 } lnc_stats;
199 #define LNCSTATS(X) ++(sc->lnc_stats.X);
200 #else
201 #define LNCSTATS_STRUCT
202 #define LNCSTATS(X)
203 #endif
204
205 #define NDESC(len2) (1 << len2)
206
207 #define INC_MD_PTR(ptr, no_entries) \
208 if (++ptr >= NDESC(no_entries)) \
209 ptr = 0;
210
211 #define DEC_MD_PTR(ptr, no_entries) \
212 if (--ptr < 0) \
213 ptr = NDESC(no_entries) - 1;
214
215 #define RECV_NEXT (sc->recv_ring->base + sc->recv_next)
216 #define TRANS_NEXT (sc->trans_ring->base + sc->trans_next)
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