add libshared/libnvram and required includes under version control

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@344 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 164 insertions, 0 deletions

diff --git a/package/openwrt/include/proto/ethernet.h b/package/openwrt/include/proto/ethernet.h
new file mode 100644
index 000000000..0089ec78d
--- /dev/null
+++ b/package/openwrt/include/proto/ethernet.h
@@ -0,0 +1,164 @@
+/*******************************************************************************
+ * $Id$
+ * Copyright 2004, Broadcom Corporation      
+ * All Rights Reserved.      
+ *       
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY      
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM      
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS      
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.      
+ * From FreeBSD 2.2.7: Fundamental constants relating to ethernet.
+ ******************************************************************************/
+
+#ifndef _NET_ETHERNET_H_	    /* use native BSD ethernet.h when available */
+#define _NET_ETHERNET_H_
+
+#ifndef _TYPEDEFS_H_
+#include "typedefs.h"
+#endif
+
+#if defined(__GNUC__)
+#define	PACKED	__attribute__((packed))
+#else
+#define	PACKED
+#endif
+
+/*
+ * The number of bytes in an ethernet (MAC) address.
+ */
+#define	ETHER_ADDR_LEN		6
+
+/*
+ * The number of bytes in the type field.
+ */
+#define	ETHER_TYPE_LEN		2
+
+/*
+ * The number of bytes in the trailing CRC field.
+ */
+#define	ETHER_CRC_LEN		4
+
+/*
+ * The length of the combined header.
+ */
+#define	ETHER_HDR_LEN		(ETHER_ADDR_LEN*2+ETHER_TYPE_LEN)
+
+/*
+ * The minimum packet length.
+ */
+#define	ETHER_MIN_LEN		64
+
+/*
+ * The minimum packet user data length.
+ */
+#define	ETHER_MIN_DATA		46
+
+/*
+ * The maximum packet length.
+ */
+#define	ETHER_MAX_LEN		1518
+
+/*
+ * The maximum packet user data length.
+ */
+#define	ETHER_MAX_DATA		1500
+
+/*
+ * Used to uniquely identify a 802.1q VLAN-tagged header.
+ */
+#define	VLAN_TAG			0x8100
+
+/*
+ * Located after dest & src address in ether header.
+ */
+#define VLAN_FIELDS_OFFSET		(ETHER_ADDR_LEN * 2)
+
+/*
+ * 4 bytes of vlan field info.
+ */
+#define VLAN_FIELDS_SIZE		4
+
+/* location of bits in 16-bit vlan fields */
+#define VLAN_PRI_SHIFT		13	/* user priority */
+#define VLAN_CFI_SHIFT		12	/* canonical format indicator bit */
+
+/* 3 bits of priority */
+#define VLAN_PRI_MASK			7
+/* 12 bits of vlan identfier (VID) */
+#define VLAN_VID_MASK		0xFFF	/* VLAN identifier (VID) field */
+
+struct  vlan_tags {
+	uint16  tag_type;	/* 0x8100 for VLAN */
+	uint16  tag_control;	/* prio | cfi | vid */
+} PACKED ;
+
+/* 802.1X ethertype */
+
+#define	ETHER_TYPE_IP		0x0800		/* IP */
+#define	ETHER_TYPE_BRCM		0x886c		/* Broadcom Corp. */
+#define	ETHER_TYPE_802_1X	0x888e		/* 802.1x */
+
+#define	ETHER_BRCM_SUBTYPE_LEN	4		/* Broadcom 4byte subtype follows ethertype */
+#define	ETHER_BRCM_CRAM		0x1		/* Broadcom subtype cram protocol */
+
+/*
+ * A macro to validate a length with
+ */
+#define	ETHER_IS_VALID_LEN(foo)	\
+	((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
+
+
+#ifndef __INCif_etherh     /* Quick and ugly hack for VxWorks */
+/*
+ * Structure of a 10Mb/s Ethernet header.
+ */
+struct	ether_header {
+	uint8	ether_dhost[ETHER_ADDR_LEN];
+	uint8	ether_shost[ETHER_ADDR_LEN];
+	uint16	ether_type;
+} PACKED ;
+
+/*
+ * Structure of a 48-bit Ethernet address.
+ */
+struct	ether_addr {
+	uint8 octet[ETHER_ADDR_LEN];
+} PACKED ;
+#endif
+
+/*
+ * Takes a pointer, returns true if a 48-bit multicast address
+ * (including broadcast, since it is all ones)
+ */
+#define ETHER_ISMULTI(ea) (((uint8 *)(ea))[0] & 1)
+
+/*
+ * Takes a pointer, returns true if a 48-bit broadcast (all ones)
+ */
+#define ETHER_ISBCAST(ea) ((((uint8 *)(ea))[0] &		\
+			    ((uint8 *)(ea))[1] &		\
+			    ((uint8 *)(ea))[2] &		\
+			    ((uint8 *)(ea))[3] &		\
+			    ((uint8 *)(ea))[4] &		\
+			    ((uint8 *)(ea))[5]) == 0xff)
+
+static const struct ether_addr ether_bcast = {{255, 255, 255, 255, 255, 255}};
+
+/*
+ * Takes a pointer, returns true if a 48-bit null address (all zeros)
+ */
+#define ETHER_ISNULLADDR(ea) ((((uint8 *)(ea))[0] |		\
+			    ((uint8 *)(ea))[1] |		\
+			    ((uint8 *)(ea))[2] |		\
+			    ((uint8 *)(ea))[3] |		\
+			    ((uint8 *)(ea))[4] |		\
+			    ((uint8 *)(ea))[5]) == 0)
+
+/* Differentiated Services Codepoint - lower 6 bits of tos in iphdr */
+#define	DSCP_PRI_MASK		0x3F		/* bits 0-6 */
+#define	DSCP_WME_PRI_MASK	0x38		/* bits 3-6 */
+#define	DSCP_WME_PRI_SHIFT	3
+
+#undef PACKED
+
+#endif /* _NET_ETHERNET_H_ */