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authorThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
committerThomas Bushnell <thomas@gnu.org>1997-02-25 21:28:37 +0000
commitf07a4c844da9f0ecae5bbee1ab94be56505f26f7 (patch)
tree12b07c7e578fc1a5f53dbfde2632408491ff2a70 /i386/i386at/if_nereg.h
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+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * 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. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
+ *
+ * @(#)if_nereg.h 7.1 (Berkeley) 5/9/91
+ */
+
+/*
+ * NE1000/2000 Ethernet Card registers
+ */
+
+/* This card uses a DS8390 Ethernet controller in at the beginning of
+ its i/o space */
+
+#define ne_data 0x10 /* Data Transfer port */
+#define ne_reset 0x1F /* Card Reset port */
+
+#define PKTSZ 6 /* Size of transmit buffer */
+
+/* Span of memory on an NE2000 */
+#define TBUF16 0x40 /* Starting location of Transmit Buffer */
+#define RBUFEND16 0x80 /* Ending location of Receive Buffer */
+
+/* Span of memory on an NE1000 */
+#define TBUF8 0x20 /* Starting location of Transmit Buffer */
+#define RBUFEND8 0x40 /* Ending location of Receive Buffer */
+
+#if 0
+#define PKTSZ 3*512 /* Size of transmit buffer */
+
+/* Span of memory on an NE2000 */
+#define TBUF16 (16*1024) /* Starting location of Transmit Buffer */
+#define RBUFEND16 (32*1024) /* Ending location of Receive Buffer */
+
+/* Span of memory on an NE1000 */
+#define TBUF8 (8*1024) /* Starting location of Transmit Buffer */
+#define RBUFEND8 (16*1024) /* Ending location of Receive Buffer */
+#endif