netfilter: xtables: consistent struct compat_xt_counters definition
[safe/jmp/linux-2.6] / net / atm / proc.c
index 91fe5f5..476779d 100644 (file)
 #include <linux/netdevice.h>
 #include <linux/atmclip.h>
 #include <linux/init.h> /* for __init */
+#include <net/net_namespace.h>
 #include <net/atmclip.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
+#include <linux/param.h> /* for HZ */
 #include <asm/atomic.h>
-#include <asm/param.h> /* for HZ */
 #include "resources.h"
 #include "common.h" /* atm_proc_init prototype */
 #include "signaling.h" /* to get sigd - ugly too */
 
-static ssize_t proc_dev_atm_read(struct file *file,char __user *buf,size_t count,
-    loff_t *pos);
+static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,
+                                size_t count, loff_t *pos);
 
-static struct file_operations proc_atm_dev_ops = {
+static const struct file_operations proc_atm_dev_ops = {
        .owner =        THIS_MODULE,
        .read =         proc_dev_atm_read,
 };
@@ -42,9 +43,9 @@ static void add_stats(struct seq_file *seq, const char *aal,
   const struct k_atm_aal_stats *stats)
 {
        seq_printf(seq, "%s ( %d %d %d %d %d )", aal,
-           atomic_read(&stats->tx),atomic_read(&stats->tx_err),
-           atomic_read(&stats->rx),atomic_read(&stats->rx_err),
-           atomic_read(&stats->rx_drop));
+                  atomic_read(&stats->tx), atomic_read(&stats->tx_err),
+                  atomic_read(&stats->rx), atomic_read(&stats->rx_err),
+                  atomic_read(&stats->rx_drop));
 }
 
 static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev)
@@ -77,7 +78,7 @@ static int __vcc_walk(struct sock **sock, int family, int *bucket, loff_t l)
 {
        struct sock *sk = *sock;
 
-       if (sk == (void *)1) {
+       if (sk == SEQ_START_TOKEN) {
                for (*bucket = 0; *bucket < VCC_HTABLE_SIZE; ++*bucket) {
                        struct hlist_head *head = &vcc_hash[*bucket];
 
@@ -86,7 +87,7 @@ static int __vcc_walk(struct sock **sock, int family, int *bucket, loff_t l)
                                break;
                }
                l--;
-       } 
+       }
 try_again:
        for (; sk; sk = sk_next(sk)) {
                l -= compare_family(sk, family);
@@ -97,7 +98,7 @@ try_again:
                sk = sk_head(&vcc_hash[*bucket]);
                goto try_again;
        }
-       sk = (void *)1;
+       sk = SEQ_START_TOKEN;
 out:
        *sock = sk;
        return (l < 0);
@@ -110,47 +111,31 @@ static inline void *vcc_walk(struct vcc_state *state, loff_t l)
 }
 
 static int __vcc_seq_open(struct inode *inode, struct file *file,
-       int family, struct seq_operations *ops)
+       int family, const struct seq_operations *ops)
 {
        struct vcc_state *state;
-       struct seq_file *seq;
-       int rc = -ENOMEM;
 
-       state = kmalloc(sizeof(*state), GFP_KERNEL);
-       if (!state)
-               goto out;
-
-       rc = seq_open(file, ops);
-       if (rc)
-               goto out_kfree;
+       state = __seq_open_private(file, ops, sizeof(*state));
+       if (state == NULL)
+               return -ENOMEM;
 
        state->family = family;
-
-       seq = file->private_data;
-       seq->private = state;
-out:
-       return rc;
-out_kfree:
-       kfree(state);
-       goto out;
-}
-
-static int vcc_seq_release(struct inode *inode, struct file *file)
-{
-       return seq_release_private(inode, file);
+       return 0;
 }
 
 static void *vcc_seq_start(struct seq_file *seq, loff_t *pos)
+       __acquires(vcc_sklist_lock)
 {
        struct vcc_state *state = seq->private;
        loff_t left = *pos;
 
        read_lock(&vcc_sklist_lock);
-       state->sk = (void *)1;
-       return left ? vcc_walk(state, left) : (void *)1;
+       state->sk = SEQ_START_TOKEN;
+       return left ? vcc_walk(state, left) : SEQ_START_TOKEN;
 }
 
 static void vcc_seq_stop(struct seq_file *seq, void *v)
+       __releases(vcc_sklist_lock)
 {
        read_unlock(&vcc_sklist_lock);
 }
@@ -166,19 +151,21 @@ static void *vcc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc)
 {
-       static const char *class_name[] = { "off","UBR","CBR","VBR","ABR" };
-       static const char *aal_name[] = {
+       static const char *const class_name[] = {
+               "off", "UBR", "CBR", "VBR", "ABR"};
+       static const char *const aal_name[] = {
                "---",  "1",    "2",    "3/4",  /*  0- 3 */
                "???",  "5",    "???",  "???",  /*  4- 7 */
                "???",  "???",  "???",  "???",  /*  8-11 */
                "???",  "0",    "???",  "???"}; /* 12-15 */
 
        seq_printf(seq, "%3d %3d %5d %-3s %7d %-5s %7d %-6s",
-           vcc->dev->number,vcc->vpi,vcc->vci,
-           vcc->qos.aal >= sizeof(aal_name)/sizeof(aal_name[0]) ? "err" :
-           aal_name[vcc->qos.aal],vcc->qos.rxtp.min_pcr,
-           class_name[vcc->qos.rxtp.traffic_class],vcc->qos.txtp.min_pcr,
-           class_name[vcc->qos.txtp.traffic_class]);
+                  vcc->dev->number, vcc->vpi, vcc->vci,
+                  vcc->qos.aal >= ARRAY_SIZE(aal_name) ? "err" :
+                  aal_name[vcc->qos.aal], vcc->qos.rxtp.min_pcr,
+                  class_name[vcc->qos.rxtp.traffic_class],
+                  vcc->qos.txtp.min_pcr,
+                  class_name[vcc->qos.txtp.traffic_class]);
        if (test_bit(ATM_VF_IS_CLIP, &vcc->flags)) {
                struct clip_vcc *clip_vcc = CLIP_VCC(vcc);
                struct net_device *dev;
@@ -193,7 +180,7 @@ static void pvc_info(struct seq_file *seq, struct atm_vcc *vcc)
 
 static const char *vcc_state(struct atm_vcc *vcc)
 {
-       static const char *map[] = { ATM_VS2TXT_MAP };
+       static const char *const map[] = { ATM_VS2TXT_MAP };
 
        return map[ATM_VF2VS(vcc->flags)];
 }
@@ -205,23 +192,24 @@ static void vcc_info(struct seq_file *seq, struct atm_vcc *vcc)
        seq_printf(seq, "%p ", vcc);
        if (!vcc->dev)
                seq_printf(seq, "Unassigned    ");
-       else 
+       else
                seq_printf(seq, "%3d %3d %5d ", vcc->dev->number, vcc->vpi,
                        vcc->vci);
        switch (sk->sk_family) {
-               case AF_ATMPVC:
-                       seq_printf(seq, "PVC");
-                       break;
-               case AF_ATMSVC:
-                       seq_printf(seq, "SVC");
-                       break;
-               default:
-                       seq_printf(seq, "%3d", sk->sk_family);
+       case AF_ATMPVC:
+               seq_printf(seq, "PVC");
+               break;
+       case AF_ATMSVC:
+               seq_printf(seq, "SVC");
+               break;
+       default:
+               seq_printf(seq, "%3d", sk->sk_family);
        }
-       seq_printf(seq, " %04lx  %5d %7d/%7d %7d/%7d [%d]\n", vcc->flags, sk->sk_err,
-                 atomic_read(&sk->sk_wmem_alloc), sk->sk_sndbuf,
-                 atomic_read(&sk->sk_rmem_alloc), sk->sk_rcvbuf,
-                 atomic_read(&sk->sk_refcnt));
+       seq_printf(seq, " %04lx  %5d %7d/%7d %7d/%7d [%d]\n",
+                  vcc->flags, sk->sk_err,
+                  sk_wmem_alloc_get(sk), sk->sk_sndbuf,
+                  sk_rmem_alloc_get(sk), sk->sk_rcvbuf,
+                  atomic_read(&sk->sk_refcnt));
 }
 
 static void svc_info(struct seq_file *seq, struct atm_vcc *vcc)
@@ -249,30 +237,30 @@ static int atm_dev_seq_show(struct seq_file *seq, void *v)
        static char atm_dev_banner[] =
                "Itf Type    ESI/\"MAC\"addr "
                "AAL(TX,err,RX,err,drop) ...               [refcnt]\n";
-       if (v == (void *)1)
+
+       if (v == SEQ_START_TOKEN)
                seq_puts(seq, atm_dev_banner);
        else {
                struct atm_dev *dev = list_entry(v, struct atm_dev, dev_list);
 
                atm_dev_info(seq, dev);
        }
-       return 0;
+       return 0;
 }
-static struct seq_operations atm_dev_seq_ops = {
+
+static const struct seq_operations atm_dev_seq_ops = {
        .start  = atm_dev_seq_start,
        .next   = atm_dev_seq_next,
        .stop   = atm_dev_seq_stop,
        .show   = atm_dev_seq_show,
 };
+
 static int atm_dev_seq_open(struct inode *inode, struct file *file)
 {
        return seq_open(file, &atm_dev_seq_ops);
 }
-static struct file_operations devices_seq_fops = {
+
+static const struct file_operations devices_seq_fops = {
        .open           = atm_dev_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
@@ -281,10 +269,10 @@ static struct file_operations devices_seq_fops = {
 
 static int pvc_seq_show(struct seq_file *seq, void *v)
 {
-       static char atm_pvc_banner[] = 
+       static char atm_pvc_banner[] =
                "Itf VPI VCI   AAL RX(PCR,Class) TX(PCR,Class)\n";
 
-       if (v == (void *)1)
+       if (v == SEQ_START_TOKEN)
                seq_puts(seq, atm_pvc_banner);
        else {
                struct vcc_state *state = seq->private;
@@ -295,7 +283,7 @@ static int pvc_seq_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct seq_operations pvc_seq_ops = {
+static const struct seq_operations pvc_seq_ops = {
        .start  = vcc_seq_start,
        .next   = vcc_seq_next,
        .stop   = vcc_seq_stop,
@@ -307,53 +295,53 @@ static int pvc_seq_open(struct inode *inode, struct file *file)
        return __vcc_seq_open(inode, file, PF_ATMPVC, &pvc_seq_ops);
 }
 
-static struct file_operations pvc_seq_fops = {
+static const struct file_operations pvc_seq_fops = {
        .open           = pvc_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
-       .release        = vcc_seq_release,
+       .release        = seq_release_private,
 };
 
 static int vcc_seq_show(struct seq_file *seq, void *v)
 {
-       if (v == (void *)1) {
-               seq_printf(seq, sizeof(void *) == 4 ? "%-8s%s" : "%-16s%s",
-                       "Address ", "Itf VPI VCI   Fam Flags Reply "
-                       "Send buffer     Recv buffer      [refcnt]\n");
-       } else {
-               struct vcc_state *state = seq->private;
-               struct atm_vcc *vcc = atm_sk(state->sk);
-  
-               vcc_info(seq, vcc);
-       }
-       return 0;
+       if (v == SEQ_START_TOKEN) {
+               seq_printf(seq, sizeof(void *) == 4 ? "%-8s%s" : "%-16s%s",
+                       "Address ", "Itf VPI VCI   Fam Flags Reply "
+                       "Send buffer     Recv buffer      [refcnt]\n");
+       } else {
+               struct vcc_state *state = seq->private;
+               struct atm_vcc *vcc = atm_sk(state->sk);
+
+               vcc_info(seq, vcc);
+       }
+       return 0;
 }
-  
-static struct seq_operations vcc_seq_ops = {
-       .start  = vcc_seq_start,
-       .next   = vcc_seq_next,
-       .stop   = vcc_seq_stop,
-       .show   = vcc_seq_show,
+
+static const struct seq_operations vcc_seq_ops = {
+       .start  = vcc_seq_start,
+       .next   = vcc_seq_next,
+       .stop   = vcc_seq_stop,
+       .show   = vcc_seq_show,
 };
+
 static int vcc_seq_open(struct inode *inode, struct file *file)
 {
-       return __vcc_seq_open(inode, file, 0, &vcc_seq_ops);
+       return __vcc_seq_open(inode, file, 0, &vcc_seq_ops);
 }
-static struct file_operations vcc_seq_fops = {
+
+static const struct file_operations vcc_seq_fops = {
        .open           = vcc_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
-       .release        = vcc_seq_release,
+       .release        = seq_release_private,
 };
 
 static int svc_seq_show(struct seq_file *seq, void *v)
 {
-       static char atm_svc_banner[] = 
+       static const char atm_svc_banner[] =
                "Itf VPI VCI           State      Remote\n";
 
-       if (v == (void *)1)
+       if (v == SEQ_START_TOKEN)
                seq_puts(seq, atm_svc_banner);
        else {
                struct vcc_state *state = seq->private;
@@ -364,7 +352,7 @@ static int svc_seq_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct seq_operations svc_seq_ops = {
+static const struct seq_operations svc_seq_ops = {
        .start  = vcc_seq_start,
        .next   = vcc_seq_next,
        .stop   = vcc_seq_stop,
@@ -376,11 +364,11 @@ static int svc_seq_open(struct inode *inode, struct file *file)
        return __vcc_seq_open(inode, file, PF_ATMSVC, &svc_seq_ops);
 }
 
-static struct file_operations svc_seq_fops = {
+static const struct file_operations svc_seq_fops = {
        .open           = svc_seq_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
-       .release        = vcc_seq_release,
+       .release        = seq_release_private,
 };
 
 static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,
@@ -390,32 +378,35 @@ static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,
        unsigned long page;
        int length;
 
-       if (count == 0) return 0;
+       if (count == 0)
+               return 0;
        page = get_zeroed_page(GFP_KERNEL);
-       if (!page) return -ENOMEM;
-       dev = PDE(file->f_dentry->d_inode)->data;
+       if (!page)
+               return -ENOMEM;
+       dev = PDE(file->f_path.dentry->d_inode)->data;
        if (!dev->ops->proc_read)
                length = -EINVAL;
        else {
-               length = dev->ops->proc_read(dev,pos,(char *) page);
-               if (length > count) length = -EINVAL;
+               length = dev->ops->proc_read(dev, pos, (char *)page);
+               if (length > count)
+                       length = -EINVAL;
        }
        if (length >= 0) {
-               if (copy_to_user(buf,(char *) page,length)) length = -EFAULT;
+               if (copy_to_user(buf, (char *)page, length))
+                       length = -EFAULT;
                (*pos)++;
        }
        free_page(page);
        return length;
 }
 
-
 struct proc_dir_entry *atm_proc_root;
 EXPORT_SYMBOL(atm_proc_root);
 
 
 int atm_proc_dev_register(struct atm_dev *dev)
 {
-       int digits,num;
+       int digits, num;
        int error;
 
        /* No proc info */
@@ -424,28 +415,28 @@ int atm_proc_dev_register(struct atm_dev *dev)
 
        error = -ENOMEM;
        digits = 0;
-       for (num = dev->number; num; num /= 10) digits++;
-       if (!digits) digits++;
+       for (num = dev->number; num; num /= 10)
+               digits++;
+       if (!digits)
+               digits++;
 
        dev->proc_name = kmalloc(strlen(dev->type) + digits + 2, GFP_KERNEL);
        if (!dev->proc_name)
                goto err_out;
-       sprintf(dev->proc_name,"%s:%d",dev->type, dev->number);
+       sprintf(dev->proc_name, "%s:%d", dev->type, dev->number);
 
-       dev->proc_entry = create_proc_entry(dev->proc_name, 0, atm_proc_root);
+       dev->proc_entry = proc_create_data(dev->proc_name, 0, atm_proc_root,
+                                          &proc_atm_dev_ops, dev);
        if (!dev->proc_entry)
                goto err_free_name;
-       dev->proc_entry->data = dev;
-       dev->proc_entry->proc_fops = &proc_atm_dev_ops;
-       dev->proc_entry->owner = THIS_MODULE;
        return 0;
+
 err_free_name:
        kfree(dev->proc_name);
 err_out:
        return error;
 }
 
-
 void atm_proc_dev_deregister(struct atm_dev *dev)
 {
        if (!dev->ops->proc_read)
@@ -457,7 +448,7 @@ void atm_proc_dev_deregister(struct atm_dev *dev)
 
 static struct atm_proc_entry {
        char *name;
-       struct file_operations *proc_fops;
+       const struct file_operations *proc_fops;
        struct proc_dir_entry *dirent;
 } atm_proc_ents[] = {
        { .name = "devices",    .proc_fops = &devices_seq_fops },
@@ -472,10 +463,10 @@ static void atm_proc_dirs_remove(void)
        static struct atm_proc_entry *e;
 
        for (e = atm_proc_ents; e->name; e++) {
-               if (e->dirent) 
+               if (e->dirent)
                        remove_proc_entry(e->name, atm_proc_root);
        }
-       remove_proc_entry("net/atm", NULL);
+       proc_net_remove(&init_net, "atm");
 }
 
 int __init atm_proc_init(void)
@@ -483,17 +474,16 @@ int __init atm_proc_init(void)
        static struct atm_proc_entry *e;
        int ret;
 
-       atm_proc_root = proc_mkdir("net/atm",NULL);
+       atm_proc_root = proc_net_mkdir(&init_net, "atm", init_net.proc_net);
        if (!atm_proc_root)
                goto err_out;
        for (e = atm_proc_ents; e->name; e++) {
                struct proc_dir_entry *dirent;
 
-               dirent = create_proc_entry(e->name, S_IRUGO, atm_proc_root);
+               dirent = proc_create(e->name, S_IRUGO,
+                                    atm_proc_root, e->proc_fops);
                if (!dirent)
                        goto err_out_remove;
-               dirent->proc_fops = e->proc_fops;
-               dirent->owner = THIS_MODULE;
                e->dirent = dirent;
        }
        ret = 0;