1 files changed, 114 insertions, 0 deletions
diff --git a/sys/dev/hfa/fore.h b/sys/dev/hfa/fore.h
new file mode 100644
index 0000000..5b64c31
--- /dev/null
+++ b/sys/dev/hfa/fore.h
@@ -0,0 +1,114 @@
+/*
+ *
+ * ===================================
+ * HARP  |  Host ATM Research Platform
+ * ===================================
+ *
+ *
+ * This Host ATM Research Platform ("HARP") file (the "Software") is
+ * made available by Network Computing Services, Inc. ("NetworkCS")
+ * "AS IS".  NetworkCS does not provide maintenance, improvements or
+ * support of any kind.
+ *
+ * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
+ * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
+ * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
+ * In no event shall NetworkCS be responsible for any damages, including
+ * but not limited to consequential damages, arising from or relating to
+ * any use of the Software or related support.
+ *
+ * Copyright 1994-1998 Network Computing Services, Inc.
+ *
+ * Copies of this Software may be made, however, the above copyright
+ * notice must be reproduced on all copies.
+ *
+ *	@(#) $FreeBSD$
+ *
+ */
+
+/*
+ * FORE Systems 200-Series Adapter Support
+ * ---------------------------------------
+ *
+ * Protocol and implementation definitions
+ *
+ */
+
+#ifndef _FORE_H
+#define _FORE_H
+
+#ifndef	FORE_DEV_NAME
+#define	FORE_DEV_NAME	"hfa"
+#endif
+
+#define	FORE_MAX_UNITS	8	/* Maximum number of devices we support */
+#define	FORE_MIN_UCODE	0x20300	/* Minimum microcode version we support */
+
+#define	FORE_IFF_MTU	9188	/* Network interface MTU */
+#define	FORE_MAX_VCC	1024	/* Maximum number of open VCCs */
+#define	FORE_MAX_VPI	0	/* Maximum VPI value */
+#define	FORE_MAX_VCI	1023	/* Maximum VCI value */
+#define	FORE_DEF_RATE	0x00000000	/* Default rate control = disabled */
+
+#define	XMIT_QUELEN	32	/* Length of transmit queue */
+#define	RECV_QUELEN	32	/* Length of receive queue */
+#define	CMD_QUELEN	8	/* Length of command queue */
+
+#define	FORE_TIME_TICK	5	/* Watchdog timer tick (seconds) */
+#define	FORE_WATCHDOG	3	/* Device watchdog timeout (ticks) */
+#define	FORE_RECV_RETRY	3	/* Wait for receive queue entry retry count */
+#define	FORE_RECV_DELAY	10	/* Wait for receive queue entry delay (usec) */
+
+
+/*
+ * Receive Buffer strategies
+ */
+#define	BUF_MIN_VCC	4	/* Minimum for buffer supply calculations */
+
+#define	BUF_DATA_ALIGN	4	/* Fore-required data alignment */
+
+/*
+ * Strategy 1 Small - mbuf
+ * Strategy 1 Large - cluster mbuf
+ *
+ * XXX buffer controls - the RECV_MAX_SEGS calculation comes out wrong
+ * using the true buffer size values if the CP really only does full-cell
+ * filling of a particular buffer - we must clarify this...it also appears
+ * the minimum buffer size is 64, even if the CP can only fit in 1 cell.
+ */
+#define SIZEOF_Buf_handle	16	/* XXX sizeof(Buf_handle) */
+
+#undef m_ext
+typedef struct m_ext	M_ext;
+#define	m_ext		M_dat.MH.MH_dat.MH_ext
+#define	BUF1_SM_HOFF	(sizeof(struct m_hdr))	/* Buffer-to-handle offset */
+#define	BUF1_SM_HDR	(sizeof(struct m_hdr) + sizeof(struct pkthdr))
+#define	BUF1_SM_LEN	(MHLEN)
+#define	BUF1_LG_HOFF	(sizeof(struct m_hdr) + sizeof(struct pkthdr) \
+			    + sizeof(M_ext))	/* Buffer-to-handle offset */
+/*
+ * BUF1_SM_DOFF - CP data offset into buffer data space
+ * BUF1_SM_SIZE - Buffer size
+ *
+ * These should be defined as follows, but we need compile-time constants:
+ *
+ *	#define	BUF1_SM_DOFF (roundup(BUF1_SM_HOFF + SIZEOF_Buf_handle, 
+ *			BUF_DATA_ALIGN) - BUF1_SM_HDR)
+ *	#define	BUF1_SM_SIZE	MAX(BUF1_SM_LEN - BUF1_SM_DOFF, 64)
+ *
+ */
+#define	BUF1_SM_DOFF	(SIZEOF_Buf_handle)
+#define	BUF1_SM_SIZE	(BUF1_SM_LEN - BUF1_SM_DOFF)
+
+#define	BUF1_SM_QUELEN	16	/* Entries in supply queue */
+#define	BUF1_SM_CPPOOL	256	/* Buffers in CP-resident pool */
+#define	BUF1_SM_ENTSIZE	8	/* Buffers in each supply queue entry */
+
+#define	BUF1_LG_DOFF	0	/* CP data offset into mbuf data space */
+#define	BUF1_LG_SIZE	MCLBYTES	/* Buffer size */
+#define	BUF1_LG_QUELEN	16	/* Entries in supply queue */
+#define	BUF1_LG_CPPOOL	512	/* Buffers in CP-resident pool */
+#define	BUF1_LG_ENTSIZE	8	/* Buffers in each supply queue entry */
+
+#endif	/* _FORE_H */