X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fcore%2Fdev.c;h=fcdf03cf3b3f8b0f62af03ce208b658d11a5834d;hb=5e226e4d9016daee170699f8a4188a5505021756;hp=eee7742430979f7d146693e3da8edf3bda9ffb98;hpb=9a429c4983deae020f1e757ecc8f547b6d4e2f2b;p=linux-2.6

diff --git a/net/core/dev.c b/net/core/dev.c
index eee7742430..fcdf03cf3b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1071,8 +1071,6 @@ int dev_close(struct net_device *dev)
 	 */
 	call_netdevice_notifiers(NETDEV_GOING_DOWN, dev);
 
-	dev_deactivate(dev);
-
 	clear_bit(__LINK_STATE_START, &dev->state);
 
 	/* Synchronize to scheduled poll. We cannot touch poll list,
@@ -1083,6 +1081,8 @@ int dev_close(struct net_device *dev)
 	 */
 	smp_mb__after_clear_bit(); /* Commit netif_running(). */
 
+	dev_deactivate(dev);
+
 	/*
 	 *	Call the device specific close. This cannot fail.
 	 *	Only if device is UP
@@ -2143,7 +2143,7 @@ static int process_backlog(struct napi_struct *napi, int quota)
  *
  * The entry's receive function will be scheduled to run
  */
-void fastcall __napi_schedule(struct napi_struct *n)
+void __napi_schedule(struct napi_struct *n)
 {
 	unsigned long flags;
 
@@ -2543,6 +2543,7 @@ static void *ptype_get_idx(loff_t pos)
 }
 
 static void *ptype_seq_start(struct seq_file *seq, loff_t *pos)
+	__acquires(RCU)
 {
 	rcu_read_lock();
 	return *pos ? ptype_get_idx(*pos - 1) : SEQ_START_TOKEN;
@@ -2578,6 +2579,7 @@ found:
 }
 
 static void ptype_seq_stop(struct seq_file *seq, void *v)
+	__releases(RCU)
 {
 	rcu_read_unlock();
 }
@@ -2750,12 +2752,15 @@ static void __dev_set_promiscuity(struct net_device *dev, int inc)
 		printk(KERN_INFO "device %s %s promiscuous mode\n",
 		       dev->name, (dev->flags & IFF_PROMISC) ? "entered" :
 							       "left");
-		audit_log(current->audit_context, GFP_ATOMIC,
-			AUDIT_ANOM_PROMISCUOUS,
-			"dev=%s prom=%d old_prom=%d auid=%u",
-			dev->name, (dev->flags & IFF_PROMISC),
-			(old_flags & IFF_PROMISC),
-			audit_get_loginuid(current->audit_context));
+		if (audit_enabled)
+			audit_log(current->audit_context, GFP_ATOMIC,
+				AUDIT_ANOM_PROMISCUOUS,
+				"dev=%s prom=%d old_prom=%d auid=%u uid=%u gid=%u ses=%u",
+				dev->name, (dev->flags & IFF_PROMISC),
+				(old_flags & IFF_PROMISC),
+				audit_get_loginuid(current),
+				current->uid, current->gid,
+				audit_get_sessionid(current));
 
 		if (dev->change_rx_flags)
 			dev->change_rx_flags(dev, IFF_PROMISC);
@@ -2895,7 +2900,7 @@ int __dev_addr_add(struct dev_addr_list **list, int *count,
 		}
 	}
 
-	da = kmalloc(sizeof(*da), GFP_ATOMIC);
+	da = kzalloc(sizeof(*da), GFP_ATOMIC);
 	if (da == NULL)
 		return -ENOMEM;
 	memcpy(da->da_addr, addr, alen);
@@ -2960,6 +2965,101 @@ int dev_unicast_add(struct net_device *dev, void *addr, int alen)
 }
 EXPORT_SYMBOL(dev_unicast_add);
 
+int __dev_addr_sync(struct dev_addr_list **to, int *to_count,
+		    struct dev_addr_list **from, int *from_count)
+{
+	struct dev_addr_list *da, *next;
+	int err = 0;
+
+	da = *from;
+	while (da != NULL) {
+		next = da->next;
+		if (!da->da_synced) {
+			err = __dev_addr_add(to, to_count,
+					     da->da_addr, da->da_addrlen, 0);
+			if (err < 0)
+				break;
+			da->da_synced = 1;
+			da->da_users++;
+		} else if (da->da_users == 1) {
+			__dev_addr_delete(to, to_count,
+					  da->da_addr, da->da_addrlen, 0);
+			__dev_addr_delete(from, from_count,
+					  da->da_addr, da->da_addrlen, 0);
+		}
+		da = next;
+	}
+	return err;
+}
+
+void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
+		       struct dev_addr_list **from, int *from_count)
+{
+	struct dev_addr_list *da, *next;
+
+	da = *from;
+	while (da != NULL) {
+		next = da->next;
+		if (da->da_synced) {
+			__dev_addr_delete(to, to_count,
+					  da->da_addr, da->da_addrlen, 0);
+			da->da_synced = 0;
+			__dev_addr_delete(from, from_count,
+					  da->da_addr, da->da_addrlen, 0);
+		}
+		da = next;
+	}
+}
+
+/**
+ *	dev_unicast_sync - Synchronize device's unicast list to another device
+ *	@to: destination device
+ *	@from: source device
+ *
+ *	Add newly added addresses to the destination device and release
+ *	addresses that have no users left. The source device must be
+ *	locked by netif_tx_lock_bh.
+ *
+ *	This function is intended to be called from the dev->set_rx_mode
+ *	function of layered software devices.
+ */
+int dev_unicast_sync(struct net_device *to, struct net_device *from)
+{
+	int err = 0;
+
+	netif_tx_lock_bh(to);
+	err = __dev_addr_sync(&to->uc_list, &to->uc_count,
+			      &from->uc_list, &from->uc_count);
+	if (!err)
+		__dev_set_rx_mode(to);
+	netif_tx_unlock_bh(to);
+	return err;
+}
+EXPORT_SYMBOL(dev_unicast_sync);
+
+/**
+ *	dev_unicast_unsync - Remove synchronized addresses from the destination device
+ *	@to: destination device
+ *	@from: source device
+ *
+ *	Remove all addresses that were added to the destination device by
+ *	dev_unicast_sync(). This function is intended to be called from the
+ *	dev->stop function of layered software devices.
+ */
+void dev_unicast_unsync(struct net_device *to, struct net_device *from)
+{
+	netif_tx_lock_bh(from);
+	netif_tx_lock_bh(to);
+
+	__dev_addr_unsync(&to->uc_list, &to->uc_count,
+			  &from->uc_list, &from->uc_count);
+	__dev_set_rx_mode(to);
+
+	netif_tx_unlock_bh(to);
+	netif_tx_unlock_bh(from);
+}
+EXPORT_SYMBOL(dev_unicast_unsync);
+
 static void __dev_addr_discard(struct dev_addr_list **list)
 {
 	struct dev_addr_list *tmp;