X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fnetdevice.h;h=950dc55e519280fde2a0339b7ee65578b7d71290;hb=292695531ae4019bb15deedc121b218d1908b648;hp=07e114d48bbb3d647f11c5ec686eca21971c42d1;hpb=4af452bd03ec73efb1d3bf560d6d22b12d96752e;p=linux-2.6-omap-h63xx.git

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 07e114d48bb..950dc55e519 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -230,7 +230,8 @@ enum netdev_state_t
 	__LINK_STATE_SCHED,
 	__LINK_STATE_NOCARRIER,
 	__LINK_STATE_RX_SCHED,
-	__LINK_STATE_LINKWATCH_PENDING
+	__LINK_STATE_LINKWATCH_PENDING,
+	__LINK_STATE_DORMANT,
 };
 
 
@@ -335,11 +336,14 @@ struct net_device
 	 */
 
 
-	unsigned short		flags;	/* interface flags (a la BSD)	*/
+	unsigned int		flags;	/* interface flags (a la BSD)	*/
 	unsigned short		gflags;
         unsigned short          priv_flags; /* Like 'flags' but invisible to userspace. */
 	unsigned short		padded;	/* How much padding added by alloc_netdev() */
 
+	unsigned char		operstate; /* RFC2863 operstate */
+	unsigned char		link_mode; /* mapping policy to operstate */
+
 	unsigned		mtu;	/* interface MTU value		*/
 	unsigned short		type;	/* interface hardware type	*/
 	unsigned short		hard_header_len;	/* hardware hdr length	*/
@@ -708,12 +712,18 @@ static inline void dev_put(struct net_device *dev)
 	atomic_dec(&dev->refcnt);
 }
 
-#define __dev_put(dev) atomic_dec(&(dev)->refcnt)
-#define dev_hold(dev) atomic_inc(&(dev)->refcnt)
+static inline void dev_hold(struct net_device *dev)
+{
+	atomic_inc(&dev->refcnt);
+}
 
 /* Carrier loss detection, dial on demand. The functions netif_carrier_on
  * and _off may be called from IRQ context, but it is caller
  * who is responsible for serialization of these calls.
+ *
+ * The name carrier is inappropriate, these functions should really be
+ * called netif_lowerlayer_*() because they represent the state of any
+ * kind of lower layer not just hardware media.
  */
 
 extern void linkwatch_fire_event(struct net_device *dev);
@@ -729,6 +739,29 @@ extern void netif_carrier_on(struct net_device *dev);
 
 extern void netif_carrier_off(struct net_device *dev);
 
+static inline void netif_dormant_on(struct net_device *dev)
+{
+	if (!test_and_set_bit(__LINK_STATE_DORMANT, &dev->state))
+		linkwatch_fire_event(dev);
+}
+
+static inline void netif_dormant_off(struct net_device *dev)
+{
+	if (test_and_clear_bit(__LINK_STATE_DORMANT, &dev->state))
+		linkwatch_fire_event(dev);
+}
+
+static inline int netif_dormant(const struct net_device *dev)
+{
+	return test_bit(__LINK_STATE_DORMANT, &dev->state);
+}
+
+
+static inline int netif_oper_up(const struct net_device *dev) {
+	return (dev->operstate == IF_OPER_UP ||
+		dev->operstate == IF_OPER_UNKNOWN /* backward compat */);
+}
+
 /* Hot-plugging. */
 static inline int netif_device_present(struct net_device *dev)
 {
@@ -802,16 +835,16 @@ static inline u32 netif_msg_init(int debug_value, int default_msg_enable_bits)
 	return (1 << debug_value) - 1;
 }
 
-/* Schedule rx intr now? */
-static inline int netif_rx_schedule_test(struct net_device *dev)
+/* Test if receive needs to be scheduled */
+static inline int __netif_rx_schedule_prep(struct net_device *dev)
 {
 	return !test_and_set_bit(__LINK_STATE_RX_SCHED, &dev->state);
 }
 
-/* Schedule only if device is up */
+/* Test if receive needs to be scheduled but only if up */
 static inline int netif_rx_schedule_prep(struct net_device *dev)
 {
-	return netif_running(dev) && netif_rx_schedule_test(dev);
+	return netif_running(dev) && __netif_rx_schedule_prep(dev);
 }
 
 /* Add interface to tail of rx poll list. This assumes that _prep has