X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fsched%2Fact_api.c;h=835070e9169cc03b5975709827f752ff6d6576a0;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=eebef4e16a2f98f993b16a8d9f00b7f73d9f6643;hpb=6a77f38946aaee1cd85eeec6cf4229b204c15071;p=linux-2.6.git

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index eebef4e16..835070e91 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -14,7 +14,6 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 #include <linux/bitops.h>
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -34,16 +33,230 @@
 #include <net/sch_generic.h>
 #include <net/act_api.h>
 
-#if 1 /* control */
-#define DPRINTK(format, args...) printk(KERN_DEBUG format, ##args)
-#else
-#define DPRINTK(format, args...)
+void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo)
+{
+	unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
+	struct tcf_common **p1p;
+
+	for (p1p = &hinfo->htab[h]; *p1p; p1p = &(*p1p)->tcfc_next) {
+		if (*p1p == p) {
+			write_lock_bh(hinfo->lock);
+			*p1p = p->tcfc_next;
+			write_unlock_bh(hinfo->lock);
+#ifdef CONFIG_NET_ESTIMATOR
+			gen_kill_estimator(&p->tcfc_bstats,
+					   &p->tcfc_rate_est);
 #endif
-#if 0 /* data */
-#define D2PRINTK(format, args...) printk(KERN_DEBUG format, ##args)
-#else
-#define D2PRINTK(format, args...)
+			kfree(p);
+			return;
+		}
+	}
+	BUG_TRAP(0);
+}
+EXPORT_SYMBOL(tcf_hash_destroy);
+
+int tcf_hash_release(struct tcf_common *p, int bind,
+		     struct tcf_hashinfo *hinfo)
+{
+	int ret = 0;
+
+	if (p) {
+		if (bind)
+			p->tcfc_bindcnt--;
+
+		p->tcfc_refcnt--;
+	       	if (p->tcfc_bindcnt <= 0 && p->tcfc_refcnt <= 0) {
+			tcf_hash_destroy(p, hinfo);
+			ret = 1;
+		}
+	}
+	return ret;
+}
+EXPORT_SYMBOL(tcf_hash_release);
+
+static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb,
+			   struct tc_action *a, struct tcf_hashinfo *hinfo)
+{
+	struct tcf_common *p;
+	int err = 0, index = -1,i = 0, s_i = 0, n_i = 0;
+	struct rtattr *r ;
+
+	read_lock(hinfo->lock);
+
+	s_i = cb->args[0];
+
+	for (i = 0; i < (hinfo->hmask + 1); i++) {
+		p = hinfo->htab[tcf_hash(i, hinfo->hmask)];
+
+		for (; p; p = p->tcfc_next) {
+			index++;
+			if (index < s_i)
+				continue;
+			a->priv = p;
+			a->order = n_i;
+			r = (struct rtattr*) skb->tail;
+			RTA_PUT(skb, a->order, 0, NULL);
+			err = tcf_action_dump_1(skb, a, 0, 0);
+			if (err < 0) {
+				index--;
+				skb_trim(skb, (u8*)r - skb->data);
+				goto done;
+			}
+			r->rta_len = skb->tail - (u8*)r;
+			n_i++;
+			if (n_i >= TCA_ACT_MAX_PRIO)
+				goto done;
+		}
+	}
+done:
+	read_unlock(hinfo->lock);
+	if (n_i)
+		cb->args[0] += n_i;
+	return n_i;
+
+rtattr_failure:
+	skb_trim(skb, (u8*)r - skb->data);
+	goto done;
+}
+
+static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a,
+			  struct tcf_hashinfo *hinfo)
+{
+	struct tcf_common *p, *s_p;
+	struct rtattr *r ;
+	int i= 0, n_i = 0;
+
+	r = (struct rtattr*) skb->tail;
+	RTA_PUT(skb, a->order, 0, NULL);
+	RTA_PUT(skb, TCA_KIND, IFNAMSIZ, a->ops->kind);
+	for (i = 0; i < (hinfo->hmask + 1); i++) {
+		p = hinfo->htab[tcf_hash(i, hinfo->hmask)];
+
+		while (p != NULL) {
+			s_p = p->tcfc_next;
+			if (ACT_P_DELETED == tcf_hash_release(p, 0, hinfo))
+				 module_put(a->ops->owner);
+			n_i++;
+			p = s_p;
+		}
+	}
+	RTA_PUT(skb, TCA_FCNT, 4, &n_i);
+	r->rta_len = skb->tail - (u8*)r;
+
+	return n_i;
+rtattr_failure:
+	skb_trim(skb, (u8*)r - skb->data);
+	return -EINVAL;
+}
+
+int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
+		       int type, struct tc_action *a)
+{
+	struct tcf_hashinfo *hinfo = a->ops->hinfo;
+
+	if (type == RTM_DELACTION) {
+		return tcf_del_walker(skb, a, hinfo);
+	} else if (type == RTM_GETACTION) {
+		return tcf_dump_walker(skb, cb, a, hinfo);
+	} else {
+		printk("tcf_generic_walker: unknown action %d\n", type);
+		return -EINVAL;
+	}
+}
+EXPORT_SYMBOL(tcf_generic_walker);
+
+struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
+{
+	struct tcf_common *p;
+
+	read_lock(hinfo->lock);
+	for (p = hinfo->htab[tcf_hash(index, hinfo->hmask)]; p;
+	     p = p->tcfc_next) {
+		if (p->tcfc_index == index)
+			break;
+	}
+	read_unlock(hinfo->lock);
+
+	return p;
+}
+EXPORT_SYMBOL(tcf_hash_lookup);
+
+u32 tcf_hash_new_index(u32 *idx_gen, struct tcf_hashinfo *hinfo)
+{
+	u32 val = *idx_gen;
+
+	do {
+		if (++val == 0)
+			val = 1;
+	} while (tcf_hash_lookup(val, hinfo));
+
+	return (*idx_gen = val);
+}
+EXPORT_SYMBOL(tcf_hash_new_index);
+
+int tcf_hash_search(struct tc_action *a, u32 index)
+{
+	struct tcf_hashinfo *hinfo = a->ops->hinfo;
+	struct tcf_common *p = tcf_hash_lookup(index, hinfo);
+
+	if (p) {
+		a->priv = p;
+		return 1;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(tcf_hash_search);
+
+struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind,
+				  struct tcf_hashinfo *hinfo)
+{
+	struct tcf_common *p = NULL;
+	if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) {
+		if (bind) {
+			p->tcfc_bindcnt++;
+			p->tcfc_refcnt++;
+		}
+		a->priv = p;
+	}
+	return p;
+}
+EXPORT_SYMBOL(tcf_hash_check);
+
+struct tcf_common *tcf_hash_create(u32 index, struct rtattr *est, struct tc_action *a, int size, int bind, u32 *idx_gen, struct tcf_hashinfo *hinfo)
+{
+	struct tcf_common *p = kzalloc(size, GFP_KERNEL);
+
+	if (unlikely(!p))
+		return p;
+	p->tcfc_refcnt = 1;
+	if (bind)
+		p->tcfc_bindcnt = 1;
+
+	spin_lock_init(&p->tcfc_lock);
+	p->tcfc_stats_lock = &p->tcfc_lock;
+	p->tcfc_index = index ? index : tcf_hash_new_index(idx_gen, hinfo);
+	p->tcfc_tm.install = jiffies;
+	p->tcfc_tm.lastuse = jiffies;
+#ifdef CONFIG_NET_ESTIMATOR
+	if (est)
+		gen_new_estimator(&p->tcfc_bstats, &p->tcfc_rate_est,
+				  p->tcfc_stats_lock, est);
 #endif
+	a->priv = (void *) p;
+	return p;
+}
+EXPORT_SYMBOL(tcf_hash_create);
+
+void tcf_hash_insert(struct tcf_common *p, struct tcf_hashinfo *hinfo)
+{
+	unsigned int h = tcf_hash(p->tcfc_index, hinfo->hmask);
+
+	write_lock_bh(hinfo->lock);
+	p->tcfc_next = hinfo->htab[h];
+	hinfo->htab[h] = p;
+	write_unlock_bh(hinfo->lock);
+}
+EXPORT_SYMBOL(tcf_hash_insert);
 
 static struct tc_action_ops *act_base = NULL;
 static DEFINE_RWLOCK(act_mod_lock);
@@ -156,34 +369,26 @@ int tcf_action_exec(struct sk_buff *skb, struct tc_action *act,
 
 	if (skb->tc_verd & TC_NCLS) {
 		skb->tc_verd = CLR_TC_NCLS(skb->tc_verd);
-		D2PRINTK("(%p)tcf_action_exec: cleared TC_NCLS in %s out %s\n",
-		         skb, skb->input_dev ? skb->input_dev->name : "xxx",
-		         skb->dev->name);
 		ret = TC_ACT_OK;
 		goto exec_done;
 	}
 	while ((a = act) != NULL) {
 repeat:
 		if (a->ops && a->ops->act) {
-			ret = a->ops->act(&skb, a);
+			ret = a->ops->act(skb, a, res);
 			if (TC_MUNGED & skb->tc_verd) {
 				/* copied already, allow trampling */
 				skb->tc_verd = SET_TC_OK2MUNGE(skb->tc_verd);
 				skb->tc_verd = CLR_TC_MUNGED(skb->tc_verd);
 			}
-			if (ret != TC_ACT_PIPE)
-				goto exec_done;
 			if (ret == TC_ACT_REPEAT)
 				goto repeat;	/* we need a ttl - JHS */
+			if (ret != TC_ACT_PIPE)
+				goto exec_done;
 		}
 		act = a->next;
 	}
 exec_done:
-	if (skb->tc_classid > 0) {
-		res->classid = skb->tc_classid;
-		res->class = 0;
-		skb->tc_classid = 0;
-	}
 	return ret;
 }
 
@@ -193,8 +398,6 @@ void tcf_action_destroy(struct tc_action *act, int bind)
 
 	for (a = act; a; a = act) {
 		if (a->ops && a->ops->cleanup) {
-			DPRINTK("tcf_action_destroy destroying %p next %p\n",
-			        a, a->next);
 			if (a->ops->cleanup(a, bind) == ACT_P_DELETED)
 				module_put(a->ops->owner);
 			act = act->next;
@@ -228,7 +431,7 @@ tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int bind, int ref)
 		return err;
 
 	RTA_PUT(skb, TCA_KIND, IFNAMSIZ, a->ops->kind);
-	if (tcf_action_copy_stats(skb, a))
+	if (tcf_action_copy_stats(skb, a, 0))
 		goto rtattr_failure;
 	r = (struct rtattr*) skb->tail;
 	RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
@@ -256,15 +459,17 @@ tcf_action_dump(struct sk_buff *skb, struct tc_action *act, int bind, int ref)
 		RTA_PUT(skb, a->order, 0, NULL);
 		err = tcf_action_dump_1(skb, a, bind, ref);
 		if (err < 0)
-			goto rtattr_failure;
+			goto errout;
 		r->rta_len = skb->tail - (u8*)r;
 	}
 
 	return 0;
 
 rtattr_failure:
+	err = -EINVAL;
+errout:
 	skb_trim(skb, b - skb->data);
-	return -err;
+	return err;
 }
 
 struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,
@@ -295,7 +500,7 @@ struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,
 	if (a_o == NULL) {
 #ifdef CONFIG_KMOD
 		rtnl_unlock();
-		request_module(act_name);
+		request_module("act_%s", act_name);
 		rtnl_lock();
 
 		a_o = tc_lookup_action_n(act_name);
@@ -311,14 +516,14 @@ struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,
 			goto err_mod;
 		}
 #endif
+		*err = -ENOENT;
 		goto err_out;
 	}
 
 	*err = -ENOMEM;
-	a = kmalloc(sizeof(*a), GFP_KERNEL);
+	a = kzalloc(sizeof(*a), GFP_KERNEL);
 	if (a == NULL)
 		goto err_mod;
-	memset(a, 0, sizeof(*a));
 
 	/* backward compatibility for policer */
 	if (name == NULL)
@@ -335,7 +540,6 @@ struct tc_action *tcf_action_init_1(struct rtattr *rta, struct rtattr *est,
 	if (*err != ACT_P_CREATED)
 		module_put(a_o->owner);
 	a->ops = a_o;
-	DPRINTK("tcf_action_init_1: successfull %s\n", act_name);
 
 	*err = 0;
 	return a;
@@ -380,21 +584,28 @@ err:
 	return NULL;
 }
 
-int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a)
+int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a,
+			  int compat_mode)
 {
-	int err;
+	int err = 0;
 	struct gnet_dump d;
 	struct tcf_act_hdr *h = a->priv;
 	
 	if (h == NULL)
 		goto errout;
 
-	if (a->type == TCA_OLD_COMPAT)
-		err = gnet_stats_start_copy_compat(skb, TCA_ACT_STATS,
-			TCA_STATS, TCA_XSTATS, h->stats_lock, &d);
-	else
+	/* compat_mode being true specifies a call that is supposed
+	 * to add additional backward compatiblity statistic TLVs.
+	 */
+	if (compat_mode) {
+		if (a->type == TCA_OLD_COMPAT)
+			err = gnet_stats_start_copy_compat(skb, 0,
+				TCA_STATS, TCA_XSTATS, h->tcf_stats_lock, &d);
+		else
+			return 0;
+	} else
 		err = gnet_stats_start_copy(skb, TCA_ACT_STATS,
-			h->stats_lock, &d);
+			h->tcf_stats_lock, &d);
 
 	if (err < 0)
 		goto errout;
@@ -403,11 +614,11 @@ int tcf_action_copy_stats(struct sk_buff *skb, struct tc_action *a)
 		if (a->ops->get_stats(skb, a) < 0)
 			goto errout;
 
-	if (gnet_stats_copy_basic(&d, &h->bstats) < 0 ||
+	if (gnet_stats_copy_basic(&d, &h->tcf_bstats) < 0 ||
 #ifdef CONFIG_NET_ESTIMATOR
-	    gnet_stats_copy_rate_est(&d, &h->rate_est) < 0 ||
+	    gnet_stats_copy_rate_est(&d, &h->tcf_rate_est) < 0 ||
 #endif
-	    gnet_stats_copy_queue(&d, &h->qstats) < 0)
+	    gnet_stats_copy_queue(&d, &h->tcf_qstats) < 0)
 		goto errout;
 
 	if (gnet_stats_finish_copy(&d) < 0)
@@ -421,17 +632,19 @@ errout:
 
 static int
 tca_get_fill(struct sk_buff *skb, struct tc_action *a, u32 pid, u32 seq,
-             unsigned flags, int event, int bind, int ref)
+             u16 flags, int event, int bind, int ref)
 {
 	struct tcamsg *t;
 	struct nlmsghdr *nlh;
 	unsigned char *b = skb->tail;
 	struct rtattr *x;
 
-	nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*t));
-	nlh->nlmsg_flags = flags;
+	nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
+
 	t = NLMSG_DATA(nlh);
 	t->tca_family = AF_UNSPEC;
+	t->tca__pad1 = 0;
+	t->tca__pad2 = 0;
 	
 	x = (struct rtattr*) skb->tail;
 	RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
@@ -454,7 +667,6 @@ static int
 act_get_notify(u32 pid, struct nlmsghdr *n, struct tc_action *a, int event)
 {
 	struct sk_buff *skb;
-	int err = 0;
 
 	skb = alloc_skb(NLMSG_GOODSIZE, GFP_KERNEL);
 	if (!skb)
@@ -463,10 +675,8 @@ act_get_notify(u32 pid, struct nlmsghdr *n, struct tc_action *a, int event)
 		kfree_skb(skb);
 		return -EINVAL;
 	}
-	err = netlink_unicast(rtnl, skb, pid, MSG_DONTWAIT);
-	if (err > 0)
-		err = 0;
-	return err;
+
+	return rtnl_unicast(skb, pid);
 }
 
 static struct tc_action *
@@ -486,10 +696,9 @@ tcf_action_get_1(struct rtattr *rta, struct nlmsghdr *n, u32 pid, int *err)
 	index = *(int *)RTA_DATA(tb[TCA_ACT_INDEX - 1]);
 
 	*err = -ENOMEM;
-	a = kmalloc(sizeof(struct tc_action), GFP_KERNEL);
+	a = kzalloc(sizeof(struct tc_action), GFP_KERNEL);
 	if (a == NULL)
 		return NULL;
-	memset(a, 0, sizeof(struct tc_action));
 
 	*err = -EINVAL;
 	a->ops = tc_lookup_action(tb[TCA_ACT_KIND - 1]);
@@ -525,12 +734,11 @@ static struct tc_action *create_a(int i)
 {
 	struct tc_action *act;
 
-	act = kmalloc(sizeof(*act), GFP_KERNEL);
+	act = kzalloc(sizeof(*act), GFP_KERNEL);
 	if (act == NULL) {
 		printk("create_a: failed to alloc!\n");
 		return NULL;
 	}
-	memset(act, 0, sizeof(*act));
 	act->order = i;
 	return act;
 }
@@ -573,6 +781,8 @@ static int tca_action_flush(struct rtattr *rta, struct nlmsghdr *n, u32 pid)
 	nlh = NLMSG_PUT(skb, pid, n->nlmsg_seq, RTM_DELACTION, sizeof(*t));
 	t = NLMSG_DATA(nlh);
 	t->tca_family = AF_UNSPEC;
+	t->tca__pad1 = 0;
+	t->tca__pad2 = 0;
 
 	x = (struct rtattr *) skb->tail;
 	RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
@@ -587,15 +797,15 @@ static int tca_action_flush(struct rtattr *rta, struct nlmsghdr *n, u32 pid)
 	nlh->nlmsg_flags |= NLM_F_ROOT;
 	module_put(a->ops->owner);
 	kfree(a);
-	err = rtnetlink_send(skb, pid, RTMGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
+	err = rtnetlink_send(skb, pid, RTNLGRP_TC, n->nlmsg_flags&NLM_F_ECHO);
 	if (err > 0)
 		return 0;
 
 	return err;
 
 rtattr_failure:
-	module_put(a->ops->owner);
 nlmsg_failure:
+	module_put(a->ops->owner);
 err_out:
 	kfree_skb(skb);
 	kfree(a);
@@ -650,7 +860,7 @@ tca_action_gd(struct rtattr *rta, struct nlmsghdr *n, u32 pid, int event)
 
 		/* now do the delete */
 		tcf_action_destroy(head, 0);
-		ret = rtnetlink_send(skb, pid, RTMGRP_TC,
+		ret = rtnetlink_send(skb, pid, RTNLGRP_TC,
 		                     n->nlmsg_flags&NLM_F_ECHO);
 		if (ret > 0)
 			return 0;
@@ -662,7 +872,7 @@ err:
 }
 
 static int tcf_add_notify(struct tc_action *a, u32 pid, u32 seq, int event,
-                          unsigned flags)
+                          u16 flags)
 {
 	struct tcamsg *t;
 	struct nlmsghdr *nlh;
@@ -677,11 +887,12 @@ static int tcf_add_notify(struct tc_action *a, u32 pid, u32 seq, int event,
 
 	b = (unsigned char *)skb->tail;
 
-	nlh = NLMSG_PUT(skb, pid, seq, event, sizeof(*t));
-	nlh->nlmsg_flags = flags;
+	nlh = NLMSG_NEW(skb, pid, seq, event, sizeof(*t), flags);
 	t = NLMSG_DATA(nlh);
 	t->tca_family = AF_UNSPEC;
-	
+	t->tca__pad1 = 0;
+	t->tca__pad2 = 0;
+
 	x = (struct rtattr*) skb->tail;
 	RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
 
@@ -691,16 +902,16 @@ static int tcf_add_notify(struct tc_action *a, u32 pid, u32 seq, int event,
 	x->rta_len = skb->tail - (u8*)x;
 	
 	nlh->nlmsg_len = skb->tail - b;
-	NETLINK_CB(skb).dst_groups = RTMGRP_TC;
+	NETLINK_CB(skb).dst_group = RTNLGRP_TC;
 	
-	err = rtnetlink_send(skb, pid, RTMGRP_TC, flags&NLM_F_ECHO);
+	err = rtnetlink_send(skb, pid, RTNLGRP_TC, flags&NLM_F_ECHO);
 	if (err > 0)
 		err = 0;
 	return err;
 
 rtattr_failure:
 nlmsg_failure:
-	skb_trim(skb, b - skb->data);
+	kfree_skb(skb);
 	return -1;
 }
 
@@ -770,7 +981,7 @@ replay:
 	return ret;
 }
 
-static char *
+static struct rtattr *
 find_dump_kind(struct nlmsghdr *n)
 {
 	struct rtattr *tb1, *tb2[TCA_ACT_MAX+1];
@@ -798,7 +1009,7 @@ find_dump_kind(struct nlmsghdr *n)
 		return NULL;
 	kind = tb2[TCA_ACT_KIND-1];
 
-	return (char *) RTA_DATA(kind);
+	return kind;
 }
 
 static int
@@ -811,16 +1022,15 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
 	struct tc_action a;
 	int ret = 0;
 	struct tcamsg *t = (struct tcamsg *) NLMSG_DATA(cb->nlh);
-	char *kind = find_dump_kind(cb->nlh);
+	struct rtattr *kind = find_dump_kind(cb->nlh);
 
 	if (kind == NULL) {
 		printk("tc_dump_action: action bad kind\n");
 		return 0;
 	}
 
-	a_o = tc_lookup_action_n(kind);
+	a_o = tc_lookup_action(kind);
 	if (a_o == NULL) {
-		printk("failed to find %s\n", kind);
 		return 0;
 	}
 
@@ -828,7 +1038,7 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
 	a.ops = a_o;
 
 	if (a_o->walk == NULL) {
-		printk("tc_dump_action: %s !capable of dumping table\n", kind);
+		printk("tc_dump_action: %s !capable of dumping table\n", a_o->kind);
 		goto rtattr_failure;
 	}
 
@@ -836,6 +1046,8 @@ tc_dump_action(struct sk_buff *skb, struct netlink_callback *cb)
 	                cb->nlh->nlmsg_type, sizeof(*t));
 	t = NLMSG_DATA(nlh);
 	t->tca_family = AF_UNSPEC;
+	t->tca__pad1 = 0;
+	t->tca__pad2 = 0;
 
 	x = (struct rtattr *) skb->tail;
 	RTA_PUT(skb, TCA_ACT_TAB, 0, NULL);
@@ -874,8 +1086,6 @@ static int __init tc_action_init(void)
 		link_p[RTM_GETACTION-RTM_BASE].dumpit = tc_dump_action;
 	}
 
-	printk("TC classifier action (bugs to netdev@oss.sgi.com cc "
-	       "hadi@cyberus.ca)\n");
 	return 0;
 }