sk98lin: resurrect driver

This reverts commit e1abecc48938fbe1966ea6e78267fc673fa59295.

The driver works on some hardware that skge doesn't handle yet.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 285 insertions, 0 deletions

diff --git a/drivers/net/sk98lin/h/skaddr.h b/drivers/net/sk98lin/h/skaddr.h
new file mode 100644
index 00000000000..423ad063d09
--- /dev/null
+++ b/drivers/net/sk98lin/h/skaddr.h
@@ -0,0 +1,285 @@
+/******************************************************************************
+ *
+ * Name:	skaddr.h
+ * Project:	Gigabit Ethernet Adapters, ADDR-Modul
+ * Version:	$Revision: 1.29 $
+ * Date:	$Date: 2003/05/13 16:57:24 $
+ * Purpose:	Header file for Address Management (MC, UC, Prom).
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ *	(C)Copyright 1998-2002 SysKonnect GmbH.
+ *	(C)Copyright 2002-2003 Marvell.
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	The information in this file is provided "AS IS" without warranty.
+ *
+ ******************************************************************************/
+
+/******************************************************************************
+ *
+ * Description:
+ *
+ * This module is intended to manage multicast addresses and promiscuous mode
+ * on GEnesis adapters.
+ *
+ * Include File Hierarchy:
+ *
+ *	"skdrv1st.h"
+ *	...
+ *	"sktypes.h"
+ *	"skqueue.h"
+ *	"skaddr.h"
+ *	...
+ *	"skdrv2nd.h"
+ *
+ ******************************************************************************/
+
+#ifndef __INC_SKADDR_H
+#define __INC_SKADDR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif	/* cplusplus */
+
+/* defines ********************************************************************/
+
+#define SK_MAC_ADDR_LEN				6	/* Length of MAC address. */
+#define	SK_MAX_ADDRS				14	/* #Addrs for exact match. */
+
+/* ----- Common return values ----- */
+
+#define SK_ADDR_SUCCESS				0	/* Function returned successfully. */
+#define SK_ADDR_ILLEGAL_PORT			100	/* Port number too high. */
+#define SK_ADDR_TOO_EARLY			101	/* Function called too early. */
+
+/* ----- Clear/Add flag bits ----- */
+
+#define SK_ADDR_PERMANENT			1	/* RLMT Address */
+
+/* ----- Additional Clear flag bits ----- */
+
+#define SK_MC_SW_ONLY				2	/* Do not update HW when clearing. */
+
+/* ----- Override flag bits ----- */
+
+#define SK_ADDR_LOGICAL_ADDRESS		0
+#define SK_ADDR_VIRTUAL_ADDRESS		(SK_ADDR_LOGICAL_ADDRESS)	/* old */
+#define SK_ADDR_PHYSICAL_ADDRESS	1
+#define SK_ADDR_CLEAR_LOGICAL		2
+#define SK_ADDR_SET_LOGICAL			4
+
+/* ----- Override return values ----- */
+
+#define SK_ADDR_OVERRIDE_SUCCESS	(SK_ADDR_SUCCESS)
+#define SK_ADDR_DUPLICATE_ADDRESS	1
+#define SK_ADDR_MULTICAST_ADDRESS	2
+
+/* ----- Partitioning of excact match table ----- */
+
+#define SK_ADDR_EXACT_MATCHES		16	/* #Exact match entries. */
+
+#define SK_ADDR_FIRST_MATCH_RLMT	1
+#define SK_ADDR_LAST_MATCH_RLMT		2
+#define SK_ADDR_FIRST_MATCH_DRV		3
+#define SK_ADDR_LAST_MATCH_DRV		(SK_ADDR_EXACT_MATCHES - 1)
+
+/* ----- SkAddrMcAdd/SkAddrMcUpdate return values ----- */
+
+#define SK_MC_FILTERING_EXACT		0	/* Exact filtering. */
+#define SK_MC_FILTERING_INEXACT		1	/* Inexact filtering. */
+
+/* ----- Additional SkAddrMcAdd return values ----- */
+
+#define SK_MC_ILLEGAL_ADDRESS		2	/* Illegal address. */
+#define SK_MC_ILLEGAL_PORT			3	/* Illegal port (not the active one). */
+#define SK_MC_RLMT_OVERFLOW			4	/* Too many RLMT mc addresses. */
+
+/* Promiscuous mode bits ----- */
+
+#define SK_PROM_MODE_NONE			0	/* Normal receive. */
+#define SK_PROM_MODE_LLC			1	/* Receive all LLC frames. */
+#define SK_PROM_MODE_ALL_MC			2	/* Receive all multicast frames. */
+/* #define SK_PROM_MODE_NON_LLC		4 */	/* Receive all non-LLC frames. */
+
+/* Macros */
+
+#ifdef OLD_STUFF
+#ifndef SK_ADDR_EQUAL
+/*
+ * "&" instead of "&&" allows better optimization on IA-64.
+ * The replacement is safe here, as all bytes exist.
+ */
+#ifndef SK_ADDR_DWORD_COMPARE
+#define SK_ADDR_EQUAL(A1,A2)	( \
+	(((SK_U8 *)(A1))[5] == ((SK_U8 *)(A2))[5]) & \
+	(((SK_U8 *)(A1))[4] == ((SK_U8 *)(A2))[4]) & \
+	(((SK_U8 *)(A1))[3] == ((SK_U8 *)(A2))[3]) & \
+	(((SK_U8 *)(A1))[2] == ((SK_U8 *)(A2))[2]) & \
+	(((SK_U8 *)(A1))[1] == ((SK_U8 *)(A2))[1]) & \
+	(((SK_U8 *)(A1))[0] == ((SK_U8 *)(A2))[0]))
+#else	/* SK_ADDR_DWORD_COMPARE */
+#define SK_ADDR_EQUAL(A1,A2)	( \
+	(*(SK_U32 *)&(((SK_U8 *)(A1))[2]) == *(SK_U32 *)&(((SK_U8 *)(A2))[2])) & \
+	(*(SK_U32 *)&(((SK_U8 *)(A1))[0]) == *(SK_U32 *)&(((SK_U8 *)(A2))[0])))
+#endif	/* SK_ADDR_DWORD_COMPARE */
+#endif	/* SK_ADDR_EQUAL */
+#endif /* 0 */
+
+#ifndef SK_ADDR_EQUAL
+#ifndef SK_ADDR_DWORD_COMPARE
+#define SK_ADDR_EQUAL(A1,A2)	( \
+	(((SK_U8 SK_FAR *)(A1))[5] == ((SK_U8 SK_FAR *)(A2))[5]) & \
+	(((SK_U8 SK_FAR *)(A1))[4] == ((SK_U8 SK_FAR *)(A2))[4]) & \
+	(((SK_U8 SK_FAR *)(A1))[3] == ((SK_U8 SK_FAR *)(A2))[3]) & \
+	(((SK_U8 SK_FAR *)(A1))[2] == ((SK_U8 SK_FAR *)(A2))[2]) & \
+	(((SK_U8 SK_FAR *)(A1))[1] == ((SK_U8 SK_FAR *)(A2))[1]) & \
+	(((SK_U8 SK_FAR *)(A1))[0] == ((SK_U8 SK_FAR *)(A2))[0]))
+#else	/* SK_ADDR_DWORD_COMPARE */
+#define SK_ADDR_EQUAL(A1,A2)	( \
+	(*(SK_U16 SK_FAR *)&(((SK_U8 SK_FAR *)(A1))[4]) == \
+	*(SK_U16 SK_FAR *)&(((SK_U8 SK_FAR *)(A2))[4])) && \
+	(*(SK_U32 SK_FAR *)&(((SK_U8 SK_FAR *)(A1))[0]) == \
+	*(SK_U32 SK_FAR *)&(((SK_U8 SK_FAR *)(A2))[0])))
+#endif	/* SK_ADDR_DWORD_COMPARE */
+#endif	/* SK_ADDR_EQUAL */
+
+/* typedefs *******************************************************************/
+
+typedef struct s_MacAddr {
+	SK_U8	a[SK_MAC_ADDR_LEN];
+} SK_MAC_ADDR;
+
+
+/* SK_FILTER is used to ensure alignment of the filter. */
+typedef union s_InexactFilter {
+	SK_U8	Bytes[8];
+	SK_U64	Val;	/* Dummy entry for alignment only. */
+} SK_FILTER64;
+
+
+typedef struct s_AddrNet SK_ADDR_NET;
+
+
+typedef struct s_AddrPort {
+
+/* ----- Public part (read-only) ----- */
+
+	SK_MAC_ADDR	CurrentMacAddress;	/* Current physical MAC Address. */
+	SK_MAC_ADDR	PermanentMacAddress;	/* Permanent physical MAC Address. */
+	int		PromMode;		/* Promiscuous Mode. */
+
+/* ----- Private part ----- */
+
+	SK_MAC_ADDR	PreviousMacAddress;	/* Prev. phys. MAC Address. */
+	SK_BOOL		CurrentMacAddressSet;	/* CurrentMacAddress is set. */
+	SK_U8		Align01;
+
+	SK_U32		FirstExactMatchRlmt;
+	SK_U32		NextExactMatchRlmt;
+	SK_U32		FirstExactMatchDrv;
+	SK_U32		NextExactMatchDrv;
+	SK_MAC_ADDR	Exact[SK_ADDR_EXACT_MATCHES];
+	SK_FILTER64	InexactFilter;			/* For 64-bit hash register. */
+	SK_FILTER64	InexactRlmtFilter;		/* For 64-bit hash register. */
+	SK_FILTER64	InexactDrvFilter;		/* For 64-bit hash register. */
+} SK_ADDR_PORT;
+
+
+struct s_AddrNet {
+/* ----- Public part (read-only) ----- */
+
+	SK_MAC_ADDR		CurrentMacAddress;	/* Logical MAC Address. */
+	SK_MAC_ADDR		PermanentMacAddress;	/* Logical MAC Address. */
+
+/* ----- Private part ----- */
+
+	SK_U32			ActivePort;		/* View of module ADDR. */
+	SK_BOOL			CurrentMacAddressSet;	/* CurrentMacAddress is set. */
+	SK_U8			Align01;
+	SK_U16			Align02;
+};
+
+
+typedef struct s_Addr {
+
+/* ----- Public part (read-only) ----- */
+
+	SK_ADDR_NET		Net[SK_MAX_NETS];
+	SK_ADDR_PORT	Port[SK_MAX_MACS];
+
+/* ----- Private part ----- */
+} SK_ADDR;
+
+/* function prototypes ********************************************************/
+
+#ifndef SK_KR_PROTO
+
+/* Functions provided by SkAddr */
+
+/* ANSI/C++ compliant function prototypes */
+
+extern	int	SkAddrInit(
+	SK_AC	*pAC,
+	SK_IOC	IoC,
+	int	Level);
+
+extern	int	SkAddrMcClear(
+	SK_AC	*pAC,
+	SK_IOC	IoC,
+	SK_U32	PortNumber,
+	int	Flags);
+
+extern	int	SkAddrMcAdd(
+	SK_AC		*pAC,
+	SK_IOC		IoC,
+	SK_U32		PortNumber,
+	SK_MAC_ADDR	*pMc,
+	int		Flags);
+
+extern	int	SkAddrMcUpdate(
+	SK_AC	*pAC,
+	SK_IOC	IoC,
+	SK_U32	PortNumber);
+
+extern	int	SkAddrOverride(
+	SK_AC		*pAC,
+	SK_IOC		IoC,
+	SK_U32		PortNumber,
+	SK_MAC_ADDR	SK_FAR *pNewAddr,
+	int		Flags);
+
+extern	int	SkAddrPromiscuousChange(
+	SK_AC	*pAC,
+	SK_IOC	IoC,
+	SK_U32	PortNumber,
+	int	NewPromMode);
+
+#ifndef SK_SLIM
+extern	int	SkAddrSwap(
+	SK_AC	*pAC,
+	SK_IOC	IoC,
+	SK_U32	FromPortNumber,
+	SK_U32	ToPortNumber);
+#endif
+
+#else	/* defined(SK_KR_PROTO)) */
+
+/* Non-ANSI/C++ compliant function prototypes */
+
+#error KR-style prototypes are not yet provided.
+
+#endif	/* defined(SK_KR_PROTO)) */
+
+
+#ifdef __cplusplus
+}
+#endif	/* __cplusplus */
+
+#endif	/* __INC_SKADDR_H */