Merge "sflow" into "master".

[sliver-openvswitch.git] / lib / netdev.c

diff --git a/lib/netdev.c b/lib/netdev.c
index d14b909..804050f 100644 (file)
--- a/lib/netdev.c
+++ b/lib/netdev.c
@@ -186,7 +186,7 @@ netdev_destroy(const char *name)
     }
 
     shash_delete(&netdev_obj_shash, node);
-    netdev_obj->class->destroy(netdev_obj);
+    netdev_obj->netdev_class->destroy(netdev_obj);
 
     return 0;
 }
@@ -208,8 +208,8 @@ netdev_reconfigure(const char *name, const struct shash *args)
         return ENODEV;
     }
 
-    if (netdev_obj->class->reconfigure) {
-        return netdev_obj->class->reconfigure(netdev_obj, args);
+    if (netdev_obj->netdev_class->reconfigure) {
+        return netdev_obj->netdev_class->reconfigure(netdev_obj, args);
     }
 
     return 0;
@@ -235,7 +235,7 @@ netdev_open(const char *name, int ethertype, struct netdev **netdevp)
 
     netdev_obj = shash_find_data(&netdev_obj_shash, name);
     if (netdev_obj) {
-        error = netdev_obj->class->open(name, ethertype, &netdev);
+        error = netdev_obj->netdev_class->open(name, ethertype, &netdev);
     } else {
         /* Default to "system". */
         error = EAFNOSUPPORT;
@@ -298,7 +298,7 @@ netdev_close(struct netdev *netdev)
         }
 
         /* Free. */
-        netdev->class->close(netdev);
+        netdev->netdev_class->close(netdev);
         free(name);
     }
 }
@@ -372,8 +372,8 @@ netdev_recv(struct netdev *netdev, struct ofpbuf *buffer)
     assert(buffer->size == 0);
     assert(ofpbuf_tailroom(buffer) >= ETH_TOTAL_MIN);
 
-    retval = netdev->class->recv(netdev,
-                                 buffer->data, ofpbuf_tailroom(buffer));
+    retval = netdev->netdev_class->recv(netdev,
+                                        buffer->data, ofpbuf_tailroom(buffer));
     if (retval >= 0) {
         COVERAGE_INC(netdev_received);
         buffer->size += retval;
@@ -391,14 +391,14 @@ netdev_recv(struct netdev *netdev, struct ofpbuf *buffer)
 void
 netdev_recv_wait(struct netdev *netdev)
 {
-    netdev->class->recv_wait(netdev);
+    netdev->netdev_class->recv_wait(netdev);
 }
 
 /* Discards all packets waiting to be received from 'netdev'. */
 int
 netdev_drain(struct netdev *netdev)
 {
-    return netdev->class->drain(netdev);
+    return netdev->netdev_class->drain(netdev);
 }
 
 /* Sends 'buffer' on 'netdev'.  Returns 0 if successful, otherwise a positive
@@ -413,7 +413,7 @@ netdev_drain(struct netdev *netdev)
 int
 netdev_send(struct netdev *netdev, const struct ofpbuf *buffer)
 {
-    int error = netdev->class->send(netdev, buffer->data, buffer->size);
+    int error = netdev->netdev_class->send(netdev, buffer->data, buffer->size);
     if (!error) {
         COVERAGE_INC(netdev_sent);
     }
@@ -430,7 +430,7 @@ netdev_send(struct netdev *netdev, const struct ofpbuf *buffer)
 void
 netdev_send_wait(struct netdev *netdev)
 {
-    return netdev->class->send_wait(netdev);
+    return netdev->netdev_class->send_wait(netdev);
 }
 
 /* Attempts to set 'netdev''s MAC address to 'mac'.  Returns 0 if successful,
@@ -438,7 +438,7 @@ netdev_send_wait(struct netdev *netdev)
 int
 netdev_set_etheraddr(struct netdev *netdev, const uint8_t mac[ETH_ADDR_LEN])
 {
-    return netdev->class->set_etheraddr(netdev, mac);
+    return netdev->netdev_class->set_etheraddr(netdev, mac);
 }
 
 /* Retrieves 'netdev''s MAC address.  If successful, returns 0 and copies the
@@ -447,7 +447,7 @@ netdev_set_etheraddr(struct netdev *netdev, const uint8_t mac[ETH_ADDR_LEN])
 int
 netdev_get_etheraddr(const struct netdev *netdev, uint8_t mac[ETH_ADDR_LEN])
 {
-    return netdev->class->get_etheraddr(netdev, mac);
+    return netdev->netdev_class->get_etheraddr(netdev, mac);
 }
 
 /* Returns the name of the network device that 'netdev' represents,
@@ -468,7 +468,7 @@ netdev_get_name(const struct netdev *netdev)
 int
 netdev_get_mtu(const struct netdev *netdev, int *mtup)
 {
-    int error = netdev->class->get_mtu(netdev, mtup);
+    int error = netdev->netdev_class->get_mtu(netdev, mtup);
     if (error) {
         VLOG_WARN_RL(&rl, "failed to retrieve MTU for network device %s: %s",
                      netdev_get_name(netdev), strerror(error));
@@ -489,7 +489,7 @@ netdev_get_mtu(const struct netdev *netdev, int *mtup)
 int
 netdev_get_ifindex(const struct netdev *netdev)
 {
-    return netdev->class->get_ifindex(netdev);
+    return netdev->netdev_class->get_ifindex(netdev);
 }
 
 /* Stores the features supported by 'netdev' into each of '*current',
@@ -518,8 +518,8 @@ netdev_get_features(struct netdev *netdev,
         peer = &dummy[3];
     }
 
-    error = netdev->class->get_features(netdev, current, advertised, supported,
-                                        peer);
+    error = netdev->netdev_class->get_features(netdev, current, advertised,
+                                               supported, peer);
     if (error) {
         *current = *advertised = *supported = *peer = 0;
     }
@@ -560,8 +560,8 @@ netdev_features_is_full_duplex(uint32_t features)
 int
 netdev_set_advertisements(struct netdev *netdev, uint32_t advertise)
 {
-    return (netdev->class->set_advertisements
-            ? netdev->class->set_advertisements(netdev, advertise)
+    return (netdev->netdev_class->set_advertisements
+            ? netdev->netdev_class->set_advertisements(netdev, advertise)
             : EOPNOTSUPP);
 }
 
@@ -585,8 +585,8 @@ netdev_get_in4(const struct netdev *netdev,
     struct in_addr netmask;
     int error;
 
-    error = (netdev->class->get_in4
-             ? netdev->class->get_in4(netdev, &address, &netmask)
+    error = (netdev->netdev_class->get_in4
+             ? netdev->netdev_class->get_in4(netdev, &address, &netmask)
              : EOPNOTSUPP);
     if (address_) {
         address_->s_addr = error ? 0 : address.s_addr;
@@ -603,8 +603,8 @@ netdev_get_in4(const struct netdev *netdev,
 int
 netdev_set_in4(struct netdev *netdev, struct in_addr addr, struct in_addr mask)
 {
-    return (netdev->class->set_in4
-            ? netdev->class->set_in4(netdev, addr, mask)
+    return (netdev->netdev_class->set_in4
+            ? netdev->netdev_class->set_in4(netdev, addr, mask)
             : EOPNOTSUPP);
 }
 
@@ -614,8 +614,8 @@ int
 netdev_add_router(struct netdev *netdev, struct in_addr router)
 {
     COVERAGE_INC(netdev_add_router);
-    return (netdev->class->add_router
-            ? netdev->class->add_router(netdev, router)
+    return (netdev->netdev_class->add_router
+            ? netdev->netdev_class->add_router(netdev, router)
             : EOPNOTSUPP);
 }
 
@@ -631,8 +631,9 @@ netdev_get_next_hop(const struct netdev *netdev,
                     const struct in_addr *host, struct in_addr *next_hop,
                     char **netdev_name)
 {
-    int error = (netdev->class->get_next_hop
-                 ? netdev->class->get_next_hop(host, next_hop, netdev_name)
+    int error = (netdev->netdev_class->get_next_hop
+                 ? netdev->netdev_class->get_next_hop(host, next_hop,
+                                                      netdev_name)
                  : EOPNOTSUPP);
     if (error) {
         next_hop->s_addr = 0;
@@ -658,8 +659,8 @@ netdev_get_in6(const struct netdev *netdev, struct in6_addr *in6)
     struct in6_addr dummy;
     int error;
 
-    error = (netdev->class->get_in6
-             ? netdev->class->get_in6(netdev, in6 ? in6 : &dummy)
+    error = (netdev->netdev_class->get_in6
+             ? netdev->netdev_class->get_in6(netdev, in6 ? in6 : &dummy)
              : EOPNOTSUPP);
     if (error && in6) {
         memset(in6, 0, sizeof *in6);
@@ -679,7 +680,8 @@ do_update_flags(struct netdev *netdev, enum netdev_flags off,
     enum netdev_flags old_flags;
     int error;
 
-    error = netdev->class->update_flags(netdev, off & ~on, on, &old_flags);
+    error = netdev->netdev_class->update_flags(netdev, off & ~on,
+                                               on, &old_flags);
     if (error) {
         VLOG_WARN_RL(&rl, "failed to %s flags for network device %s: %s",
                      off || on ? "set" : "get", netdev_get_name(netdev),
@@ -752,8 +754,8 @@ int
 netdev_arp_lookup(const struct netdev *netdev,
                   uint32_t ip, uint8_t mac[ETH_ADDR_LEN])
 {
-    int error = (netdev->class->arp_lookup
-                 ? netdev->class->arp_lookup(netdev, ip, mac)
+    int error = (netdev->netdev_class->arp_lookup
+                 ? netdev->netdev_class->arp_lookup(netdev, ip, mac)
                  : EOPNOTSUPP);
     if (error) {
         memset(mac, 0, ETH_ADDR_LEN);
@@ -766,8 +768,8 @@ netdev_arp_lookup(const struct netdev *netdev,
 int
 netdev_get_carrier(const struct netdev *netdev, bool *carrier)
 {
-    int error = (netdev->class->get_carrier
-                 ? netdev->class->get_carrier(netdev, carrier)
+    int error = (netdev->netdev_class->get_carrier
+                 ? netdev->netdev_class->get_carrier(netdev, carrier)
                  : EOPNOTSUPP);
     if (error) {
         *carrier = false;
@@ -782,8 +784,8 @@ netdev_get_stats(const struct netdev *netdev, struct netdev_stats *stats)
     int error;
 
     COVERAGE_INC(netdev_get_stats);
-    error = (netdev->class->get_stats
-             ? netdev->class->get_stats(netdev, stats)
+    error = (netdev->netdev_class->get_stats
+             ? netdev->netdev_class->get_stats(netdev, stats)
              : EOPNOTSUPP);
     if (error) {
         memset(stats, 0xff, sizeof *stats);
@@ -798,8 +800,9 @@ int
 netdev_set_policing(struct netdev *netdev, uint32_t kbits_rate,
                     uint32_t kbits_burst)
 {
-    return (netdev->class->set_policing
-            ? netdev->class->set_policing(netdev, kbits_rate, kbits_burst)
+    return (netdev->netdev_class->set_policing
+            ? netdev->netdev_class->set_policing(netdev,
+                                                 kbits_rate, kbits_burst)
             : EOPNOTSUPP);
 }
 
@@ -811,8 +814,8 @@ netdev_set_policing(struct netdev *netdev, uint32_t kbits_rate,
 int
 netdev_get_vlan_vid(const struct netdev *netdev, int *vlan_vid)
 {
-    int error = (netdev->class->get_vlan_vid
-                 ? netdev->class->get_vlan_vid(netdev, vlan_vid)
+    int error = (netdev->netdev_class->get_vlan_vid
+                 ? netdev->netdev_class->get_vlan_vid(netdev, vlan_vid)
                  : ENOENT);
     if (error) {
         *vlan_vid = 0;
@@ -849,32 +852,33 @@ exit:
 }
 \f
 /* Initializes 'netdev_obj' as a netdev object named 'name' of the 
- * specified 'class'.
+ * specified 'netdev_class'.
  *
  * This function adds 'netdev_obj' to a netdev-owned shash, so it is
  * very important that 'netdev_obj' only be freed after calling
  * netdev_destroy().  */
 void
 netdev_obj_init(struct netdev_obj *netdev_obj, const char *name,
-                const struct netdev_class *class, bool created)
+                const struct netdev_class *netdev_class, bool created)
 {
     assert(!shash_find(&netdev_obj_shash, name));
 
-    netdev_obj->class = class;
+    netdev_obj->netdev_class = netdev_class;
     netdev_obj->ref_cnt = 0;
     netdev_obj->created = created;
     shash_add(&netdev_obj_shash, name, netdev_obj);
 }
 
-/* Initializes 'netdev' as a netdev named 'name' of the specified 'class'.
+/* Initializes 'netdev' as a netdev named 'name' of the specified
+ * 'netdev_class'.
  *
  * This function adds 'netdev' to a netdev-owned linked list, so it is very
  * important that 'netdev' only be freed after calling netdev_close(). */
 void
 netdev_init(struct netdev *netdev, const char *name,
-            const struct netdev_class *class)
+            const struct netdev_class *netdev_class)
 {
-    netdev->class = class;
+    netdev->netdev_class = netdev_class;
     netdev->name = xstrdup(name);
     netdev->save_flags = 0;
     netdev->changed_flags = 0;
@@ -886,7 +890,7 @@ netdev_init(struct netdev *netdev, const char *name,
  * The caller must not free the returned value. */
 const char *netdev_get_type(const struct netdev *netdev)
 {
-    return netdev->class->type;
+    return netdev->netdev_class->type;
 }
 
 /* Initializes 'notifier' as a netdev notifier for 'netdev', for which
@@ -926,7 +930,7 @@ netdev_monitor_destroy(struct netdev_monitor *monitor)
 
         SHASH_FOR_EACH (node, &monitor->polled_netdevs) {
             struct netdev_notifier *notifier = node->data;
-            notifier->netdev->class->poll_remove(notifier);
+            notifier->netdev->netdev_class->poll_remove(notifier);
         }
 
         shash_destroy(&monitor->polled_netdevs);
@@ -956,11 +960,11 @@ netdev_monitor_add(struct netdev_monitor *monitor, struct netdev *netdev)
     const char *netdev_name = netdev_get_name(netdev);
     int error = 0;
     if (!shash_find(&monitor->polled_netdevs, netdev_name)
-        && netdev->class->poll_add)
+        && netdev->netdev_class->poll_add)
     {
         struct netdev_notifier *notifier;
-        error = netdev->class->poll_add(netdev, netdev_monitor_cb, monitor,
-                                        &notifier);
+        error = netdev->netdev_class->poll_add(netdev, netdev_monitor_cb,
+                                               monitor, &notifier);
         if (!error) {
             assert(notifier->netdev == netdev);
             shash_add(&monitor->polled_netdevs, netdev_name, notifier);
@@ -982,7 +986,7 @@ netdev_monitor_remove(struct netdev_monitor *monitor, struct netdev *netdev)
     if (node) {
         /* Cancel future notifications. */
         struct netdev_notifier *notifier = node->data;
-        netdev->class->poll_remove(notifier);
+        netdev->netdev_class->poll_remove(notifier);
         shash_delete(&monitor->polled_netdevs, node);
 
         /* Drop any pending notification. */
@@ -1040,9 +1044,10 @@ restore_flags(struct netdev *netdev)
     if (netdev->changed_flags) {
         enum netdev_flags restore = netdev->save_flags & netdev->changed_flags;
         enum netdev_flags old_flags;
-        return netdev->class->update_flags(netdev,
-                                           netdev->changed_flags & ~restore,
-                                           restore, &old_flags);
+        return netdev->netdev_class->update_flags(netdev,
+                                                  netdev->changed_flags
+                                                  & ~restore,
+                                                  restore, &old_flags);
     }
     return 0;
 }