Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 480 insertions, 0 deletions

diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
new file mode 100644
index 000000000000..02bca49cb508
--- /dev/null
+++ b/net/decnet/sysctl_net_decnet.c
@@ -0,0 +1,480 @@
+/*
+ * DECnet       An implementation of the DECnet protocol suite for the LINUX
+ *              operating system.  DECnet is implemented using the  BSD Socket
+ *              interface as the means of communication with the user level.
+ *
+ *              DECnet sysctl support functions
+ *
+ * Author:      Steve Whitehouse <SteveW@ACM.org>
+ *
+ *
+ * Changes:
+ * Steve Whitehouse - C99 changes and default device handling
+ *
+ */
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <linux/sysctl.h>
+#include <linux/fs.h>
+#include <linux/netdevice.h>
+#include <linux/string.h>
+#include <net/neighbour.h>
+#include <net/dst.h>
+#include <net/flow.h>
+
+#include <asm/uaccess.h>
+
+#include <net/dn.h>
+#include <net/dn_dev.h>
+#include <net/dn_route.h>
+
+
+int decnet_debug_level;
+int decnet_time_wait = 30;
+int decnet_dn_count = 1;
+int decnet_di_count = 3;
+int decnet_dr_count = 3;
+int decnet_log_martians = 1;
+int decnet_no_fc_max_cwnd = NSP_MIN_WINDOW;
+
+#ifdef CONFIG_SYSCTL
+extern int decnet_dst_gc_interval;
+static int min_decnet_time_wait[] = { 5 };
+static int max_decnet_time_wait[] = { 600 };
+static int min_state_count[] = { 1 };
+static int max_state_count[] = { NSP_MAXRXTSHIFT };
+static int min_decnet_dst_gc_interval[] = { 1 };
+static int max_decnet_dst_gc_interval[] = { 60 };
+static int min_decnet_no_fc_max_cwnd[] = { NSP_MIN_WINDOW };
+static int max_decnet_no_fc_max_cwnd[] = { NSP_MAX_WINDOW };
+static char node_name[7] = "???";
+
+static struct ctl_table_header *dn_table_header = NULL;
+
+/*
+ * ctype.h :-)
+ */
+#define ISNUM(x) (((x) >= '0') && ((x) <= '9'))
+#define ISLOWER(x) (((x) >= 'a') && ((x) <= 'z'))
+#define ISUPPER(x) (((x) >= 'A') && ((x) <= 'Z'))
+#define ISALPHA(x) (ISLOWER(x) || ISUPPER(x))
+#define INVALID_END_CHAR(x) (ISNUM(x) || ISALPHA(x))
+
+static void strip_it(char *str)
+{
+        for(;;) {
+                switch(*str) {
+                        case ' ':
+                        case '\n':
+                        case '\r':
+                        case ':':
+                                *str = 0;
+                        case 0:
+                                return;
+                }
+                str++;
+        }
+}
+
+/*
+ * Simple routine to parse an ascii DECnet address
+ * into a network order address.
+ */
+static int parse_addr(dn_address *addr, char *str)
+{
+        dn_address area, node;
+
+        while(*str && !ISNUM(*str)) str++;
+
+        if (*str == 0)
+                return -1;
+
+        area = (*str++ - '0');
+        if (ISNUM(*str)) {
+                area *= 10;
+                area += (*str++ - '0');
+        }
+
+        if (*str++ != '.')
+                return -1;
+
+        if (!ISNUM(*str))
+                return -1;
+
+        node = *str++ - '0';
+        if (ISNUM(*str)) {
+                node *= 10;
+                node += (*str++ - '0');
+        }
+        if (ISNUM(*str)) {
+                node *= 10;
+                node += (*str++ - '0');
+        }
+        if (ISNUM(*str)) {
+                node *= 10;
+                node += (*str++ - '0');
+        }
+
+        if ((node > 1023) || (area > 63))
+                return -1;
+
+        if (INVALID_END_CHAR(*str))
+                return -1;
+
+        *addr = dn_htons((area << 10) | node);
+
+        return 0;
+}
+
+
+static int dn_node_address_strategy(ctl_table *table, int __user *name, int nlen,
+                                void __user *oldval, size_t __user *oldlenp,
+                                void __user *newval, size_t newlen,
+                                void **context)
+{
+        size_t len;
+        dn_address addr;
+
+        if (oldval && oldlenp) {
+                if (get_user(len, oldlenp))
+                        return -EFAULT;
+                if (len) {
+                        if (len != sizeof(unsigned short))
+                                return -EINVAL;
+                        if (put_user(decnet_address, (unsigned short __user *)oldval))
+                                return -EFAULT;
+                }
+        }
+        if (newval && newlen) {
+                if (newlen != sizeof(unsigned short))
+                        return -EINVAL;
+                if (get_user(addr, (unsigned short __user *)newval))
+                        return -EFAULT;
+
+                dn_dev_devices_off();
+
+                decnet_address = addr;
+
+                dn_dev_devices_on();
+        }
+        return 0;
+}
+
+static int dn_node_address_handler(ctl_table *table, int write, 
+                                struct file *filp,
+                                void __user *buffer,
+                                size_t *lenp, loff_t *ppos)
+{
+        char addr[DN_ASCBUF_LEN];
+        size_t len;
+        dn_address dnaddr;
+
+        if (!*lenp || (*ppos && !write)) {
+                *lenp = 0;
+                return 0;
+        }
+
+        if (write) {
+                int len = (*lenp < DN_ASCBUF_LEN) ? *lenp : (DN_ASCBUF_LEN-1);
+
+                if (copy_from_user(addr, buffer, len))
+                        return -EFAULT;
+
+                addr[len] = 0;
+                strip_it(addr);
+
+                if (parse_addr(&dnaddr, addr))
+                        return -EINVAL;
+
+                dn_dev_devices_off();
+
+                decnet_address = dnaddr;
+
+                dn_dev_devices_on();
+
+                *ppos += len;
+
+                return 0;
+        }
+
+        dn_addr2asc(dn_ntohs(decnet_address), addr);
+        len = strlen(addr);
+        addr[len++] = '\n';
+
+        if (len > *lenp) len = *lenp;
+
+        if (copy_to_user(buffer, addr, len))
+                return -EFAULT;
+
+        *lenp = len;
+        *ppos += len;
+
+        return 0;
+}
+
+
+static int dn_def_dev_strategy(ctl_table *table, int __user *name, int nlen,
+                                void __user *oldval, size_t __user *oldlenp,
+                                void __user *newval, size_t newlen,
+                                void **context)
+{
+        size_t len;
+        struct net_device *dev;
+        char devname[17];
+        size_t namel;
+        int rv = 0;
+
+        devname[0] = 0;
+
+        if (oldval && oldlenp) {
+                if (get_user(len, oldlenp))
+                        return -EFAULT;
+                if (len) {
+                        dev = dn_dev_get_default();
+                        if (dev) {
+                                strcpy(devname, dev->name);
+                                dev_put(dev);
+                        }
+
+                        namel = strlen(devname) + 1;
+                        if (len > namel) len = namel;   
+
+                        if (copy_to_user(oldval, devname, len))
+                                return -EFAULT;
+
+                        if (put_user(len, oldlenp))
+                                return -EFAULT;
+                }
+        }
+
+        if (newval && newlen) {
+                if (newlen > 16)
+                        return -E2BIG;
+
+                if (copy_from_user(devname, newval, newlen))
+                        return -EFAULT;
+
+                devname[newlen] = 0;
+
+                dev = dev_get_by_name(devname);
+                if (dev == NULL)
+                        return -ENODEV;
+
+                rv = -ENODEV;
+                if (dev->dn_ptr != NULL) {
+                        rv = dn_dev_set_default(dev, 1);
+                        if (rv)
+                                dev_put(dev);
+                }
+        }
+
+        return rv;
+}
+
+
+static int dn_def_dev_handler(ctl_table *table, int write, 
+                                struct file * filp,
+                                void __user *buffer,
+                                size_t *lenp, loff_t *ppos)
+{
+        size_t len;
+        struct net_device *dev;
+        char devname[17];
+
+        if (!*lenp || (*ppos && !write)) {
+                *lenp = 0;
+                return 0;
+        }
+
+        if (write) {
+                if (*lenp > 16)
+                        return -E2BIG;
+
+                if (copy_from_user(devname, buffer, *lenp))
+                        return -EFAULT;
+
+                devname[*lenp] = 0;
+                strip_it(devname);
+
+                dev = dev_get_by_name(devname);
+                if (dev == NULL)
+                        return -ENODEV;
+
+                if (dev->dn_ptr == NULL) {
+                        dev_put(dev);
+                        return -ENODEV;
+                }
+
+                if (dn_dev_set_default(dev, 1)) {
+                        dev_put(dev);
+                        return -ENODEV;
+                }
+                *ppos += *lenp;
+
+                return 0;
+        }
+
+        dev = dn_dev_get_default();
+        if (dev == NULL) {
+                *lenp = 0;
+                return 0;
+        }
+
+        strcpy(devname, dev->name);
+        dev_put(dev);
+        len = strlen(devname);
+        devname[len++] = '\n';
+
+        if (len > *lenp) len = *lenp;
+
+        if (copy_to_user(buffer, devname, len))
+                return -EFAULT;
+
+        *lenp = len;
+        *ppos += len;
+
+        return 0;
+}
+
+static ctl_table dn_table[] = {
+        {
+                .ctl_name = NET_DECNET_NODE_ADDRESS, 
+                .procname = "node_address", 
+                .maxlen = 7, 
+                .mode = 0644, 
+                .proc_handler = dn_node_address_handler,
+                .strategy = dn_node_address_strategy,
+        },
+        {
+                .ctl_name = NET_DECNET_NODE_NAME,
+                .procname = "node_name",
+                .data = node_name, 
+                .maxlen = 7,
+                .mode = 0644,
+                .proc_handler = &proc_dostring,
+                .strategy = &sysctl_string,
+        },
+        {
+                .ctl_name = NET_DECNET_DEFAULT_DEVICE,
+                .procname = "default_device", 
+                .maxlen = 16, 
+                .mode = 0644,
+                .proc_handler = dn_def_dev_handler,
+                .strategy = dn_def_dev_strategy,
+        },
+        {
+                .ctl_name = NET_DECNET_TIME_WAIT,
+                .procname = "time_wait",
+                .data = &decnet_time_wait,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec_minmax,
+                .strategy = &sysctl_intvec,
+                .extra1 = &min_decnet_time_wait,
+                .extra2 = &max_decnet_time_wait
+        },
+        {
+                .ctl_name = NET_DECNET_DN_COUNT,
+                .procname = "dn_count",
+                .data = &decnet_dn_count,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec_minmax,
+                .strategy = &sysctl_intvec,
+                .extra1 = &min_state_count,
+                .extra2 = &max_state_count
+        },
+        {
+                .ctl_name = NET_DECNET_DI_COUNT,
+                .procname = "di_count",
+                .data = &decnet_di_count,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec_minmax,
+                .strategy = &sysctl_intvec,
+                .extra1 = &min_state_count,
+                .extra2 = &max_state_count
+        },
+        {
+                .ctl_name = NET_DECNET_DR_COUNT,
+                .procname = "dr_count",
+                .data = &decnet_dr_count,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec_minmax,
+                .strategy = &sysctl_intvec,
+                .extra1 = &min_state_count,
+                .extra2 = &max_state_count
+        },
+        {
+                .ctl_name = NET_DECNET_DST_GC_INTERVAL,
+                .procname = "dst_gc_interval",
+                .data = &decnet_dst_gc_interval,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec_minmax,
+                .strategy = &sysctl_intvec,
+                .extra1 = &min_decnet_dst_gc_interval,
+                .extra2 = &max_decnet_dst_gc_interval
+        },
+        {
+                .ctl_name = NET_DECNET_NO_FC_MAX_CWND,
+                .procname = "no_fc_max_cwnd",
+                .data = &decnet_no_fc_max_cwnd,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec_minmax,
+                .strategy = &sysctl_intvec,
+                .extra1 = &min_decnet_no_fc_max_cwnd,
+                .extra2 = &max_decnet_no_fc_max_cwnd
+        },
+        {
+                .ctl_name = NET_DECNET_DEBUG_LEVEL,
+                .procname = "debug",
+                .data = &decnet_debug_level,
+                .maxlen = sizeof(int),
+                .mode = 0644,
+                .proc_handler = &proc_dointvec,
+                .strategy = &sysctl_intvec,
+        },
+        {0}
+};
+
+static ctl_table dn_dir_table[] = {
+        {
+                .ctl_name = NET_DECNET, 
+                .procname = "decnet", 
+                .mode = 0555, 
+                .child = dn_table},
+        {0}
+};
+
+static ctl_table dn_root_table[] = {
+        {
+                .ctl_name = CTL_NET, 
+                .procname = "net", 
+                .mode = 0555, 
+                .child = dn_dir_table
+        },
+        {0}
+};
+
+void dn_register_sysctl(void)
+{
+        dn_table_header = register_sysctl_table(dn_root_table, 1);
+}
+
+void dn_unregister_sysctl(void)
+{
+        unregister_sysctl_table(dn_table_header);
+}
+
+#else  /* CONFIG_SYSCTL */
+void dn_unregister_sysctl(void)
+{
+}
+void dn_register_sysctl(void)
+{
+}
+
+#endif