From e80bb6f42a12b78f93e88b23d3b6d6ee702e2cdd Mon Sep 17 00:00:00 2001
From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Thu, 24 Jun 1982 04:11:17 -0800
Subject: [PATCH] add error codes, don't use strings anymore

SCCS-vsn: sys/vax/if/if_ilreg.h 4.2
---
 usr/src/sys/vax/if/if_ilreg.h | 94 ++++++++++++++++++++++++-----------
 1 file changed, 64 insertions(+), 30 deletions(-)

diff --git a/usr/src/sys/vax/if/if_ilreg.h b/usr/src/sys/vax/if/if_ilreg.h
index d6c3f6d454..0037280bb4 100644
--- a/usr/src/sys/vax/if/if_ilreg.h
+++ b/usr/src/sys/vax/if/if_ilreg.h
@@ -1,4 +1,4 @@
-/*	if_ilreg.h	4.1	82/05/21	*/
+/*	if_ilreg.h	4.2	82/06/23	*/
 
 /*
  * Interlan Ethernet Communications Controller interface
@@ -12,7 +12,7 @@ struct ildevice {
 /*
  * Command and status bits
  */
-#define	IL_EUA		0xC000		/* Extended Unibus Address */
+#define	IL_EUA		0xc000		/* Extended Unibus Address */
 #define	IL_CMD		0x3f00		/* Command Function Code */
 #define	IL_CDONE	0x0080		/* Command Done */
 #define	IL_CIE		0x0040		/* Command Interrupt Enable */
@@ -20,10 +20,9 @@ struct ildevice {
 #define	IL_RIE		0x0010		/* Receive Interrupt Enable */
 #define	IL_STATUS	0x000f		/* Command Status Code */
 
-#define	IL_BITS		"\10\10CDONE\7CIE\6RDONE\5RIE"
-
-/* Command definitions */
+#define	IL_BITS		"\20\10CDONE\7CIE\6RDONE\5RIE"
 
+/* command definitions */
 #define	ILC_MLPBAK	0x0100		/* Set Module Interface Loopback Mode */
 #define	ILC_ILPBAK	0x0200		/* Set Internal Loopback Mode */
 #define	ILC_CLPBAK	0x0300		/* Clear Loopback Mode */
@@ -45,32 +44,67 @@ struct ildevice {
 #define	ILC_RESET	0x3f00		/* Reset */
 
 /*
- * Error codes
+ * Error codes found in the status bits of the csr.
  */
-char *ilerrs[] = {
-			"success",			/* 0 */
-			"success with retries", 	/* 01 */
-			"illegal command",		/* 02 */
-			"inappropriate command",	/* 03 */
-			"failure",			/* 04 */
-			"buffer size exceeded",		/* 05 */
-			"frame too small",		/* 06 */
-			0,				/* 07 */
-			"excessive collisions",		/* 010 */
-			0,				/* 011 */
-			"buffer alignment error",	/* 012 */
-			0,				/* 013 */
-			0,				/* 014 */
-			0,				/* 015 */
-			0,				/* 016 */
-			"non-existent memory"		/* 017 */
+#define	ILERR_SUCCESS		0	/* command successful */
+#define	ILERR_RETRIES		1	/* " " with retries */
+#define	ILERR_BADCMD		2	/* illegal command */
+#define	ILERR_INVCMD		3	/* invalid command */
+#define	ILERR_RECVERR		4	/* receiver error */
+#define	ILERR_BUFSIZ		5	/* buffer size too big */
+#define	ILERR_FRAMESIZ		6	/* frame size too small */
+#define	ILERR_COLLISIONS	8	/* excessive collisions */
+#define	ILERR_BUFALIGNMENT	10	/* buffer not word aligned */
+#define	ILERR_NXM		15	/* non-existent memory */
+
+#define	NILERRS			16
+#ifdef ILERRS
+char *ilerrs[NILERRS] = {
+	"success",			/*  0 */
+	"success with retries", 	/*  1 */
+	"illegal command",		/*  2 */
+	"inappropriate command",	/*  3 */
+	"failure",			/*  4 */
+	"buffer size exceeded",		/*  5 */
+	"frame too small",		/*  6 */
+	0,				/*  7 */
+	"excessive collisions",		/*  8 */
+	0,				/*  9 */
+	"buffer alignment error",	/* 10 */
+	0,				/* 11 */
+	0,				/* 12 */
+	0,				/* 13 */
+	0,				/* 14 */
+	"non-existent memory"		/* 15 */
 };
+#endif
+
+/*
+ * Diagnostics codes.
+ */
+#define	ILDIAG_SUCCESS		0	/* no problems */
+#define	ILDIAG_CHKSUMERR	1	/* ROM/RAM checksum error */
+#define	ILDIAG_DMAERR		2	/* DMA not working */
+#define	ILDIAG_XMITERR		3	/* xmit circuitry failure */
+#define	ILDIAG_RECVERR		4	/* rcvr circuitry failure */
+#define	ILDIAG_LOOPBACK		5	/* loopback test failed */
 
-char *ildiag[] = {
-			"success",			/* 0 */
-			"checksum error",		/* 1 */
-			"NM10 dma error",		/* 2 */
-			"transmitter error",		/* 3 */
-			"receiver error",		/* 4 */
-			"loopback failure",		/* 5 */
+#define	NILDIAGS		6
+#ifdef ILDIAGS
+char *ildiag[NILDIAGS] = {
+	"success",			/* 0 */
+	"checksum error",		/* 1 */
+	"NM10 dma error",		/* 2 */
+	"transmitter error",		/* 3 */
+	"receiver error",		/* 4 */
+	"loopback failure",		/* 5 */
 };
+#endif
+
+/*
+ * Frame status bits, returned in frame status byte
+ * at the top of each received packet.
+ */
+#define	ILFSTAT_C	0x1		/* CRC error */
+#define	ILFSTAT_A	0x2		/* alignment error */
+#define	ILFSTAT_L	0x4		/* 1+ frames lost just before */
-- 
2.20.1