Import of Linux 2.2.12 subset (ipv4 stack and related)

1 files changed, 470 insertions, 0 deletions

diff --git a/pfinet/linux-src/include/linux/proc_fs.h b/pfinet/linux-src/include/linux/proc_fs.h
new file mode 100644
index 00000000..9d0d94e2
--- /dev/null
+++ b/pfinet/linux-src/include/linux/proc_fs.h
@@ -0,0 +1,470 @@
+#ifndef _LINUX_PROC_FS_H
+#define _LINUX_PROC_FS_H
+
+#include <linux/config.h>
+#include <linux/malloc.h>
+
+/*
+ * The proc filesystem constants/structures
+ */
+
+/*
+ * We always define these enumerators
+ */
+
+enum root_directory_inos {
+	PROC_ROOT_INO = 1,
+	PROC_LOADAVG,
+	PROC_UPTIME,
+	PROC_MEMINFO,
+	PROC_KMSG,
+	PROC_VERSION,
+	PROC_CPUINFO,
+	PROC_PCI,
+	PROC_MCA,
+	PROC_NUBUS,
+	PROC_SELF,	/* will change inode # */
+	PROC_NET,
+        PROC_SCSI,
+	PROC_MALLOC,
+	PROC_KCORE,
+	PROC_MODULES,
+	PROC_STAT,
+	PROC_DEVICES,
+	PROC_PARTITIONS,
+	PROC_INTERRUPTS,
+	PROC_FILESYSTEMS,
+	PROC_KSYMS,
+	PROC_DMA,	
+	PROC_IOPORTS,
+	PROC_PROFILE, /* whether enabled or not */
+	PROC_CMDLINE,
+	PROC_SYS,
+	PROC_MTAB,
+	PROC_SWAP,
+	PROC_MD,
+	PROC_RTC,
+	PROC_LOCKS,
+	PROC_HARDWARE,
+	PROC_SLABINFO,
+	PROC_PARPORT,
+	PROC_PPC_HTAB,
+	PROC_STRAM,
+	PROC_SOUND,
+	PROC_MTRR, /* whether enabled or not */
+	PROC_FS
+};
+
+enum pid_directory_inos {
+	PROC_PID_INO = 2,
+	PROC_PID_STATUS,
+	PROC_PID_MEM,
+	PROC_PID_CWD,
+	PROC_PID_ROOT,
+	PROC_PID_EXE,
+	PROC_PID_FD,
+	PROC_PID_ENVIRON,
+	PROC_PID_CMDLINE,
+	PROC_PID_STAT,
+	PROC_PID_STATM,
+	PROC_PID_MAPS,
+#if CONFIG_AP1000
+	PROC_PID_RINGBUF,
+#endif
+	PROC_PID_CPU,
+};
+
+enum pid_subdirectory_inos {
+	PROC_PID_FD_DIR = 0x8000,	/* 0x8000-0xffff */
+};
+
+enum net_directory_inos {
+	PROC_NET_UNIX = 128,
+	PROC_NET_ARP,
+	PROC_NET_ROUTE,
+	PROC_NET_DEV,
+	PROC_NET_RAW,
+	PROC_NET_RAW6,
+	PROC_NET_TCP,
+	PROC_NET_TCP6,
+	PROC_NET_UDP,
+	PROC_NET_UDP6,
+	PROC_NET_SNMP,
+	PROC_NET_RARP,
+	PROC_NET_IGMP,
+	PROC_NET_IPMR_VIF,
+	PROC_NET_IPMR_MFC,
+	PROC_NET_IPFWFWD,
+	PROC_NET_IPFWIN,
+	PROC_NET_IPFWOUT,
+	PROC_NET_IPACCT,
+	PROC_NET_IPMSQHST,
+	PROC_NET_WIRELESS,
+	PROC_NET_IPX_INTERFACE,
+	PROC_NET_IPX_ROUTE,
+	PROC_NET_IPX,
+	PROC_NET_ATALK,
+	PROC_NET_AT_ROUTE,
+	PROC_NET_ATIF,
+	PROC_NET_AX25_ROUTE,
+	PROC_NET_AX25,
+	PROC_NET_AX25_CALLS,
+	PROC_NET_BMAC,
+	PROC_NET_NR_NODES,
+	PROC_NET_NR_NEIGH,
+	PROC_NET_NR,
+	PROC_NET_SOCKSTAT,
+	PROC_NET_SOCKSTAT6,
+	PROC_NET_RTCACHE,
+	PROC_NET_AX25_BPQETHER,
+	PROC_NET_IP_MASQ_APP,
+	PROC_NET_RT6,
+	PROC_NET_SNMP6,
+	PROC_NET_RT6_STATS,
+	PROC_NET_NDISC,
+	PROC_NET_STRIP_STATUS,
+	PROC_NET_STRIP_TRACE,
+	PROC_NET_Z8530,
+	PROC_NET_RS_NODES,
+	PROC_NET_RS_NEIGH,
+	PROC_NET_RS_ROUTES,
+	PROC_NET_RS,
+	PROC_NET_CL2LLC,
+	PROC_NET_X25_ROUTES,
+	PROC_NET_X25,
+	PROC_NET_TR_RIF,
+	PROC_NET_DN_DEV,
+	PROC_NET_DN_ADJ,
+	PROC_NET_DN_L1,
+	PROC_NET_DN_L2,
+	PROC_NET_DN_CACHE,
+	PROC_NET_DN_SKT,
+	PROC_NET_DN_FW,
+	PROC_NET_DN_RAW,
+	PROC_NET_NETSTAT,
+	PROC_NET_IPFW_CHAINS,
+	PROC_NET_IPFW_CHAIN_NAMES,
+	PROC_NET_AT_AARP,
+	PROC_NET_BRIDGE,
+	PROC_NET_LAST
+};
+
+enum scsi_directory_inos {
+	PROC_SCSI_SCSI = 256,
+	PROC_SCSI_ADVANSYS,
+	PROC_SCSI_PCI2000,
+	PROC_SCSI_PCI2220I,
+	PROC_SCSI_PSI240I,
+	PROC_SCSI_EATA,
+	PROC_SCSI_EATA_PIO,
+	PROC_SCSI_AHA152X,
+	PROC_SCSI_AHA1542,
+	PROC_SCSI_AHA1740,
+	PROC_SCSI_AIC7XXX,
+	PROC_SCSI_BUSLOGIC,
+	PROC_SCSI_U14_34F,
+	PROC_SCSI_FDOMAIN,
+	PROC_SCSI_GDTH,
+	PROC_SCSI_GENERIC_NCR5380,
+	PROC_SCSI_IN2000,
+	PROC_SCSI_PAS16,
+	PROC_SCSI_QLOGICFAS,
+	PROC_SCSI_QLOGICISP,
+	PROC_SCSI_QLOGICFC,
+	PROC_SCSI_SEAGATE,
+	PROC_SCSI_T128,
+	PROC_SCSI_NCR53C7xx,
+	PROC_SCSI_SYM53C8XX,
+	PROC_SCSI_NCR53C8XX,
+	PROC_SCSI_ULTRASTOR,
+	PROC_SCSI_7000FASST,
+	PROC_SCSI_IBMMCA,
+	PROC_SCSI_FD_MCS,
+	PROC_SCSI_EATA2X,
+	PROC_SCSI_DC390T,
+	PROC_SCSI_AM53C974,
+	PROC_SCSI_SSC,
+	PROC_SCSI_NCR53C406A,
+	PROC_SCSI_SYM53C416,
+	PROC_SCSI_MEGARAID,
+	PROC_SCSI_PPA,
+	PROC_SCSI_ATP870U,
+	PROC_SCSI_ESP,
+	PROC_SCSI_QLOGICPTI,
+	PROC_SCSI_AMIGA7XX,
+	PROC_SCSI_MVME16x,
+	PROC_SCSI_BVME6000,
+	PROC_SCSI_A3000,
+	PROC_SCSI_A2091,
+	PROC_SCSI_GVP11,
+	PROC_SCSI_ATARI,
+	PROC_SCSI_MAC,
+	PROC_SCSI_IDESCSI,
+	PROC_SCSI_SGIWD93,
+	PROC_SCSI_MESH,
+	PROC_SCSI_53C94,
+	PROC_SCSI_PLUTO,
+	PROC_SCSI_INI9100U,
+	PROC_SCSI_INIA100,
+ 	PROC_SCSI_IPH5526_FC,
+	PROC_SCSI_FCAL,
+	PROC_SCSI_I2O,
+	PROC_SCSI_USB_SCSI,
+	PROC_SCSI_SCSI_DEBUG,	
+	PROC_SCSI_NOT_PRESENT,
+	PROC_SCSI_FILE,                        /* I'm assuming here that we */
+	PROC_SCSI_LAST = (PROC_SCSI_FILE + 16) /* won't ever see more than */
+};                                             /* 16 HBAs in one machine   */
+
+enum mca_directory_inos {
+	PROC_MCA_MACHINE = (PROC_SCSI_LAST+1),
+	PROC_MCA_REGISTERS,
+	PROC_MCA_VIDEO,
+	PROC_MCA_SCSI,
+	PROC_MCA_SLOT,	/* the 8 adapter slots */
+	PROC_MCA_LAST = (PROC_MCA_SLOT + 8)
+};
+
+enum bus_directory_inos {
+	PROC_BUS_PCI = PROC_MCA_LAST,
+	PROC_BUS_PCI_DEVICES,
+	PROC_BUS_ZORRO,
+	PROC_BUS_ZORRO_DEVICES,
+	PROC_BUS_LAST
+};
+
+enum fs_directory_inos {
+	PROC_FS_CODA = PROC_BUS_LAST,
+	PROC_FS_LAST
+};
+
+enum fs_coda_directory_inos {
+	PROC_VFS_STATS = PROC_FS_LAST,
+	PROC_UPCALL_STATS,
+	PROC_PERMISSION_STATS,
+	PROC_CACHE_INV_STATS,
+	PROC_CODA_FS_LAST
+};
+
+/* Finally, the dynamically allocatable proc entries are reserved: */
+
+#define PROC_DYNAMIC_FIRST 4096
+#define PROC_NDYNAMIC      4096
+#define PROC_OPENPROM_FIRST (PROC_DYNAMIC_FIRST+PROC_NDYNAMIC)
+#define PROC_OPENPROM	   PROC_OPENPROM_FIRST
+#define PROC_NOPENPROM	   4096
+#define PROC_OPENPROMD_FIRST (PROC_OPENPROM_FIRST+PROC_NOPENPROM)
+#define PROC_NOPENPROMD	   4096
+
+#define PROC_SUPER_MAGIC 0x9fa0
+
+/*
+ * This is not completely implemented yet. The idea is to
+ * create an in-memory tree (like the actual /proc filesystem
+ * tree) of these proc_dir_entries, so that we can dynamically
+ * add new files to /proc.
+ *
+ * The "next" pointer creates a linked list of one /proc directory,
+ * while parent/subdir create the directory structure (every
+ * /proc file has a parent, but "subdir" is NULL for all
+ * non-directory entries).
+ *
+ * "get_info" is called at "read", while "fill_inode" is used to
+ * fill in file type/protection/owner information specific to the
+ * particular /proc file.
+ */
+struct proc_dir_entry {
+	unsigned short low_ino;
+	unsigned short namelen;
+	const char *name;
+	mode_t mode;
+	nlink_t nlink;
+	uid_t uid;
+	gid_t gid;
+	unsigned long size;
+	struct inode_operations * ops;
+	int (*get_info)(char *, char **, off_t, int, int);
+	void (*fill_inode)(struct inode *, int);
+	struct proc_dir_entry *next, *parent, *subdir;
+	void *data;
+	int (*read_proc)(char *page, char **start, off_t off,
+			 int count, int *eof, void *data);
+	int (*write_proc)(struct file *file, const char *buffer,
+			  unsigned long count, void *data);
+	int (*readlink_proc)(struct proc_dir_entry *de, char *page);
+	unsigned int count;	/* use count */
+	int deleted;		/* delete flag */
+};
+
+typedef	int (read_proc_t)(char *page, char **start, off_t off,
+			  int count, int *eof, void *data);
+typedef	int (write_proc_t)(struct file *file, const char *buffer,
+			   unsigned long count, void *data);
+
+extern int (* dispatch_scsi_info_ptr) (int ino, char *buffer, char **start,
+				off_t offset, int length, int inout);
+
+#ifdef CONFIG_PROC_FS
+
+extern struct proc_dir_entry proc_root;
+extern struct proc_dir_entry proc_root_fs;
+extern struct proc_dir_entry *proc_net;
+extern struct proc_dir_entry *proc_scsi;
+extern struct proc_dir_entry proc_sys;
+extern struct proc_dir_entry proc_openprom;
+extern struct proc_dir_entry proc_pid;
+extern struct proc_dir_entry proc_pid_fd;
+extern struct proc_dir_entry proc_mca;
+extern struct proc_dir_entry *proc_bus;
+
+extern struct inode_operations proc_scsi_inode_operations;
+
+extern void proc_root_init(void);
+extern void proc_base_init(void);
+
+extern int proc_register(struct proc_dir_entry *, struct proc_dir_entry *);
+extern int proc_unregister(struct proc_dir_entry *, int);
+
+static inline int proc_net_register(struct proc_dir_entry * x)
+{
+	return proc_register(proc_net, x);
+}
+
+static inline int proc_net_unregister(int x)
+{
+	return proc_unregister(proc_net, x);
+}
+
+static inline int proc_scsi_register(struct proc_dir_entry *driver, 
+				     struct proc_dir_entry *x)
+{
+    x->ops = &proc_scsi_inode_operations;
+    if(x->low_ino < PROC_SCSI_FILE){
+	return(proc_register(proc_scsi, x));
+    }else{
+	return(proc_register(driver, x));
+    }
+}
+
+static inline int proc_scsi_unregister(struct proc_dir_entry *driver, int x)
+{
+    extern void scsi_init_free(char *ptr, unsigned int size);
+
+    if(x < PROC_SCSI_FILE)
+	return(proc_unregister(proc_scsi, x));
+    else {
+	struct proc_dir_entry **p = &driver->subdir, *dp;
+	int ret;
+
+	while ((dp = *p) != NULL) {
+		if (dp->low_ino == x) 
+		    break;
+		p = &dp->next;
+	}
+	ret = proc_unregister(driver, x);
+	scsi_init_free((char *) dp, sizeof(struct proc_dir_entry) + 4);
+	return(ret);
+    }
+}
+
+extern struct dentry_operations proc_dentry_operations;
+extern struct super_block *proc_read_super(struct super_block *,void *,int);
+extern int init_proc_fs(void);
+extern struct inode * proc_get_inode(struct super_block *, int, struct proc_dir_entry *);
+extern int proc_statfs(struct super_block *, struct statfs *, int);
+extern void proc_read_inode(struct inode *);
+extern void proc_write_inode(struct inode *);
+extern int proc_permission(struct inode *, int);
+
+extern int proc_match(int, const char *,struct proc_dir_entry *);
+
+/*
+ * These are generic /proc routines that use the internal
+ * "struct proc_dir_entry" tree to traverse the filesystem.
+ *
+ * The /proc root directory has extended versions to take care
+ * of the /proc/<pid> subdirectories.
+ */
+extern int proc_readdir(struct file *, void *, filldir_t);
+extern struct dentry *proc_lookup(struct inode *, struct dentry *);
+
+struct openpromfs_dev {
+ 	struct openpromfs_dev *next;
+ 	u32 node;
+ 	ino_t inode;
+ 	kdev_t rdev;
+ 	mode_t mode;
+ 	char name[32];
+};
+extern struct inode_operations *
+proc_openprom_register(int (*readdir)(struct file *, void *, filldir_t),
+		       struct dentry * (*lookup)(struct inode *, struct dentry *),
+		       void (*use)(struct inode *, int),
+		       struct openpromfs_dev ***);
+extern void proc_openprom_deregister(void);
+extern void (*proc_openprom_use)(struct inode *,int);
+extern int proc_openprom_regdev(struct openpromfs_dev *);
+extern int proc_openprom_unregdev(struct openpromfs_dev *);
+  
+extern struct inode_operations proc_dir_inode_operations;
+extern struct inode_operations proc_file_inode_operations;
+extern struct inode_operations proc_net_inode_operations;
+extern struct inode_operations proc_netdir_inode_operations;
+extern struct inode_operations proc_openprom_inode_operations;
+extern struct inode_operations proc_mem_inode_operations;
+extern struct inode_operations proc_sys_inode_operations;
+extern struct inode_operations proc_array_inode_operations;
+extern struct inode_operations proc_arraylong_inode_operations;
+extern struct inode_operations proc_kcore_inode_operations;
+extern struct inode_operations proc_profile_inode_operations;
+extern struct inode_operations proc_kmsg_inode_operations;
+extern struct inode_operations proc_link_inode_operations;
+extern struct inode_operations proc_fd_inode_operations;
+#if CONFIG_AP1000
+extern struct inode_operations proc_ringbuf_inode_operations;
+#endif
+extern struct inode_operations proc_omirr_inode_operations;
+extern struct inode_operations proc_ppc_htab_inode_operations;
+
+/*
+ * generic.c
+ */
+struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
+					 struct proc_dir_entry *parent);
+void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
+
+/*
+ * proc_tty.c
+ */
+extern void proc_tty_init(void);
+extern void proc_tty_register_driver(struct tty_driver *driver);
+extern void proc_tty_unregister_driver(struct tty_driver *driver);
+
+/*
+ * proc_devtree.c
+ */
+extern void proc_device_tree_init(void);
+
+#else
+
+extern inline int proc_register(struct proc_dir_entry *a, struct proc_dir_entry *b) { return 0; };
+extern inline int proc_unregister(struct proc_dir_entry *a, int b) { return 0; };
+extern inline int proc_net_register(struct proc_dir_entry *a) { return 0; };
+extern inline int proc_net_unregister(int x) { return 0; };
+extern inline int proc_scsi_register(struct proc_dir_entry *b, struct proc_dir_entry *c) { return 0; };
+extern inline int proc_scsi_unregister(struct proc_dir_entry *a, int x) { return 0; };
+
+extern inline struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
+					 struct proc_dir_entry *parent)
+{
+	return NULL;
+}
+
+extern inline void remove_proc_entry(const char *name, struct proc_dir_entry *parent) {};
+
+extern inline void proc_tty_register_driver(struct tty_driver *driver) {};
+extern inline void proc_tty_unregister_driver(struct tty_driver *driver) {};
+
+
+#endif
+#endif /* _LINUX_PROC_FS_H */