Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 267 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/genhd.h b/pfinet/linux-src/include/linux/genhd.h
new file mode 100644
index 00000000..45a6dc35
--- /dev/null
+++ b/pfinet/linux-src/include/linux/genhd.h
@@ -0,0 +1,267 @@
+#ifndef _LINUX_GENHD_H
+#define _LINUX_GENHD_H
+
+/*
+ * 	genhd.h Copyright (C) 1992 Drew Eckhardt
+ *	Generic hard disk header file by  
+ * 		Drew Eckhardt
+ *
+ *		<drew@colorado.edu>
+ */
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <asm/unaligned.h>
+
+#define CONFIG_MSDOS_PARTITION 1
+
+#ifdef __alpha__
+#define CONFIG_OSF_PARTITION 1
+#endif
+
+#if defined(__sparc__) || defined(CONFIG_SMD_DISKLABEL)
+#define CONFIG_SUN_PARTITION 1
+#endif
+
+#if defined(CONFIG_SGI)
+#define CONFIG_SGI_PARTITION 1
+#endif
+
+/* These three have identical behaviour; use the second one if DOS fdisk gets
+   confused about extended/logical partitions starting past cylinder 1023. */
+#define DOS_EXTENDED_PARTITION 5
+#define LINUX_EXTENDED_PARTITION 0x85
+#define WIN98_EXTENDED_PARTITION 0x0f
+
+#define LINUX_SWAP_PARTITION		0x82
+#define LINUX_RAID_PARTITION		0xfd	/* autodetect RAID partition */
+#define LINUX_OLD_RAID_PARTITION	0x86
+
+#ifdef CONFIG_SOLARIS_X86_PARTITION
+#define SOLARIS_X86_PARTITION	LINUX_SWAP_PARTITION
+#endif
+
+#define DM6_PARTITION		0x54	/* has DDO: use xlated geom & offset */
+#define EZD_PARTITION		0x55	/* EZ-DRIVE:  same as DM6 (we think) */
+#define DM6_AUX1PARTITION	0x51	/* no DDO:  use xlated geom */
+#define DM6_AUX3PARTITION	0x53	/* no DDO:  use xlated geom */
+	
+
+struct partition {
+	unsigned char boot_ind;		/* 0x80 - active */
+	unsigned char head;		/* starting head */
+	unsigned char sector;		/* starting sector */
+	unsigned char cyl;		/* starting cylinder */
+	unsigned char sys_ind;		/* What partition type */
+	unsigned char end_head;		/* end head */
+	unsigned char end_sector;	/* end sector */
+	unsigned char end_cyl;		/* end cylinder */
+	unsigned int start_sect;	/* starting sector counting from 0 */
+	unsigned int nr_sects;		/* nr of sectors in partition */
+} __attribute__((packed));
+
+struct hd_struct {
+	long start_sect;
+	long nr_sects;
+	int type;		/* RAID or normal */
+};
+
+/*
+ * partition types Linux cares about.
+ *
+ * currently there are 'normal' and RAID types.
+ */
+
+static inline unsigned int ptype (unsigned char raw_type)
+{
+	switch (raw_type) {
+		case LINUX_OLD_RAID_PARTITION:
+			return LINUX_OLD_RAID_PARTITION;
+		case LINUX_RAID_PARTITION:
+			return LINUX_RAID_PARTITION;
+		default:
+	}
+	return 0;
+}
+
+/*
+ * the maximum length a given partition name can take (eg. "scd11")
+ */
+#define MAX_DISKNAME_LEN 32
+
+struct gendisk {
+	int major;			/* major number of driver */
+	const char *major_name;		/* name of major driver */
+	int minor_shift;		/* number of times minor is shifted to
+					   get real minor */
+	int max_p;			/* maximum partitions per device */
+	int max_nr;			/* maximum number of real devices */
+
+	void (*init)(struct gendisk *);	/* Initialization called before we do our thing */
+	struct hd_struct *part;		/* partition table */
+	int *sizes;			/* device size in blocks, copied to blk_size[] */
+	int nr_real;			/* number of real devices */
+
+	void *real_devices;		/* internal use */
+	struct gendisk *next;
+};
+
+#ifdef CONFIG_SOLARIS_X86_PARTITION
+
+#define SOLARIS_X86_NUMSLICE	8
+#define SOLARIS_X86_VTOC_SANE	(0x600DDEEEUL)
+
+struct solaris_x86_slice {
+	ushort	s_tag;			/* ID tag of partition */
+	ushort	s_flag;			/* permision flags */
+	daddr_t s_start;		/* start sector no of partition */
+	long	s_size;			/* # of blocks in partition */
+};
+
+struct solaris_x86_vtoc {
+		unsigned long v_bootinfo[3];	/* info needed by mboot (unsupported) */
+	unsigned long v_sanity;		/* to verify vtoc sanity */
+	unsigned long v_version;	/* layout version */
+	char	v_volume[8];		/* volume name */
+	ushort	v_sectorsz;		/* sector size in bytes */
+	ushort	v_nparts;		/* number of partitions */
+	unsigned long v_reserved[10];	/* free space */
+	struct solaris_x86_slice
+		v_slice[SOLARIS_X86_NUMSLICE]; /* slice headers */
+	time_t	timestamp[SOLARIS_X86_NUMSLICE]; /* timestamp (unsupported) */
+	char	v_asciilabel[128];	/* for compatibility */
+};
+
+#endif /* CONFIG_SOLARIS_X86_PARTITION */
+
+#ifdef CONFIG_BSD_DISKLABEL
+/*
+ * BSD disklabel support by Yossi Gottlieb <yogo@math.tau.ac.il>
+ * updated by Marc Espie <Marc.Espie@openbsd.org>
+ */
+#define FREEBSD_PARTITION	0xa5    /* FreeBSD Partition ID */
+#define OPENBSD_PARTITION	0xa6    /* OpenBSD Partition ID */
+#define NETBSD_PARTITION	0xa9    /* NetBSD Partition ID */
+#define BSDI_PARTITION		0xb7    /* BSDI Partition ID */
+
+/* Ours is not to wonder why.. */
+#define BSD_PARTITION		FREEBSD_PARTITION
+
+/* check against BSD src/sys/sys/disklabel.h for consistency */
+
+#define BSD_DISKMAGIC	(0x82564557UL)	/* The disk magic number */
+#define BSD_MAXPARTITIONS	8
+#define OPENBSD_MAXPARTITIONS	16
+#define BSD_FS_UNUSED		0	/* disklabel unused partition entry ID */
+struct bsd_disklabel {
+	__u32	d_magic;		/* the magic number */
+	__s16	d_type;			/* drive type */
+	__s16	d_subtype;		/* controller/d_type specific */
+	char	d_typename[16];		/* type name, e.g. "eagle" */
+	char	d_packname[16];			/* pack identifier */ 
+	__u32	d_secsize;		/* # of bytes per sector */
+	__u32	d_nsectors;		/* # of data sectors per track */
+	__u32	d_ntracks;		/* # of tracks per cylinder */
+	__u32	d_ncylinders;		/* # of data cylinders per unit */
+	__u32	d_secpercyl;		/* # of data sectors per cylinder */
+	__u32	d_secperunit;		/* # of data sectors per unit */
+	__u16	d_sparespertrack;	/* # of spare sectors per track */
+	__u16	d_sparespercyl;		/* # of spare sectors per cylinder */
+	__u32	d_acylinders;		/* # of alt. cylinders per unit */
+	__u16	d_rpm;			/* rotational speed */
+	__u16	d_interleave;		/* hardware sector interleave */
+	__u16	d_trackskew;		/* sector 0 skew, per track */
+	__u16	d_cylskew;		/* sector 0 skew, per cylinder */
+	__u32	d_headswitch;		/* head switch time, usec */
+	__u32	d_trkseek;		/* track-to-track seek, usec */
+	__u32	d_flags;		/* generic flags */
+#define NDDATA 5
+	__u32	d_drivedata[NDDATA];	/* drive-type specific information */
+#define NSPARE 5
+	__u32	d_spare[NSPARE];	/* reserved for future use */
+	__u32	d_magic2;		/* the magic number (again) */
+	__u16	d_checksum;		/* xor of data incl. partitions */
+
+			/* filesystem and partition information: */
+	__u16	d_npartitions;		/* number of partitions in following */
+	__u32	d_bbsize;		/* size of boot area at sn0, bytes */
+	__u32	d_sbsize;		/* max size of fs superblock, bytes */
+	struct	bsd_partition {		/* the partition table */
+		__u32	p_size;		/* number of sectors in partition */
+		__u32	p_offset;	/* starting sector */
+		__u32	p_fsize;	/* filesystem basic fragment size */
+		__u8	p_fstype;	/* filesystem type, see below */
+		__u8	p_frag;		/* filesystem fragments per block */
+		__u16	p_cpg;		/* filesystem cylinders per group */
+	} d_partitions[BSD_MAXPARTITIONS];	/* actually may be more */
+};
+
+#endif	/* CONFIG_BSD_DISKLABEL */
+
+#ifdef CONFIG_UNIXWARE_DISKLABEL
+/*
+ * Unixware slices support by Andrzej Krzysztofowicz <ankry@mif.pg.gda.pl>
+ * and Krzysztof G. Baranowski <kgb@knm.org.pl>
+ */
+
+#define UNIXWARE_PARTITION     0x63		/* Partition ID, same as */
+						/* GNU_HURD and SCO Unix */
+#define UNIXWARE_DISKMAGIC     (0xCA5E600DUL)	/* The disk magic number */
+#define UNIXWARE_DISKMAGIC2    (0x600DDEEEUL)	/* The slice table magic nr */
+#define UNIXWARE_NUMSLICE      16
+#define UNIXWARE_FS_UNUSED     0		/* Unused slice entry ID */
+
+struct unixware_slice {
+	__u16   s_label;	/* label */
+	__u16   s_flags;	/* permission flags */
+	__u32   start_sect;	/* starting sector */
+	__u32   nr_sects;	/* number of sectors in slice */
+};
+
+struct unixware_disklabel {
+	__u32   d_type;               	/* drive type */
+	__u32   d_magic;                /* the magic number */
+	__u32   d_version;              /* version number */
+	char    d_serial[12];           /* serial number of the device */
+	__u32   d_ncylinders;           /* # of data cylinders per device */
+	__u32   d_ntracks;              /* # of tracks per cylinder */
+	__u32   d_nsectors;             /* # of data sectors per track */
+	__u32   d_secsize;              /* # of bytes per sector */
+	__u32   d_part_start;           /* # of first sector of this partition */
+	__u32   d_unknown1[12];         /* ? */
+ 	__u32	d_alt_tbl;              /* byte offset of alternate table */
+ 	__u32	d_alt_len;              /* byte length of alternate table */
+ 	__u32	d_phys_cyl;             /* # of physical cylinders per device */
+ 	__u32	d_phys_trk;             /* # of physical tracks per cylinder */
+ 	__u32	d_phys_sec;             /* # of physical sectors per track */
+ 	__u32	d_phys_bytes;           /* # of physical bytes per sector */
+ 	__u32	d_unknown2;             /* ? */
+	__u32   d_unknown3;             /* ? */
+	__u32	d_pad[8];               /* pad */
+
+	struct unixware_vtoc {
+		__u32	v_magic;		/* the magic number */
+		__u32	v_version;		/* version number */
+		char	v_name[8];		/* volume name */
+		__u16	v_nslices;		/* # of slices */
+		__u16	v_unknown1;		/* ? */
+		__u32	v_reserved[10];		/* reserved */
+		struct unixware_slice
+			v_slice[UNIXWARE_NUMSLICE];	/* slice headers */
+	} vtoc;
+
+};  /* 408 */
+
+#endif /* CONFIG_UNIXWARE_DISKLABEL */
+
+extern struct gendisk *gendisk_head;	/* linked list of disks */
+
+/*
+ * disk_name() is used by genhd.c and md.c.
+ * It formats the devicename of the indicated disk
+ * into the supplied buffer, and returns a pointer
+ * to that same buffer (for convenience).
+ */
+char *disk_name (struct gendisk *hd, int minor, char *buf);
+
+#endif