updated to new rx_recv semantics

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

diff --git a/lib/netdev-tunnel.c b/lib/netdev-tunnel.c
index a985ce9..6b54697 100644 (file)
--- a/lib/netdev-tunnel.c
+++ b/lib/netdev-tunnel.c
@@ -264,27 +264,29 @@ netdev_tunnel_rx_dealloc(struct netdev_rx *rx_)
 }
 
 static int
-netdev_tunnel_rx_recv(struct netdev_rx *rx_, void *buffer, size_t size)
+netdev_tunnel_rx_recv(struct netdev_rx *rx_, struct ofpbuf *buffer)
 {
+    size_t size = ofpbuf_tailroom(buffer);
     struct netdev_rx_tunnel *rx = netdev_rx_tunnel_cast(rx_);
     struct netdev_tunnel *netdev =
         netdev_tunnel_cast(rx_->netdev);
     if (!netdev->connected)
-        return -EAGAIN;
+        return EAGAIN;
     for (;;) {
         ssize_t retval;
-        retval = recv(rx->fd, buffer, size, MSG_TRUNC);
+        retval = recv(rx->fd, buffer->data, size, MSG_TRUNC);
            VLOG_DBG("%s: recv(%"PRIxPTR", %"PRIuSIZE", MSG_TRUNC) = %"PRIdSIZE,
-                   netdev_rx_get_name(rx_), (uintptr_t)buffer, size, retval);
+                   netdev_rx_get_name(rx_), (uintptr_t)buffer->data, size, retval);
         if (retval >= 0) {
-           netdev->stats.rx_packets++;
-           netdev->stats.rx_bytes += retval;
+               netdev->stats.rx_packets++;
+               netdev->stats.rx_bytes += retval;
             if (retval <= size) {
-                   return retval;
+                buffer->size += retval;
+                   return 0;
             } else {
                 netdev->stats.rx_errors++;
                 netdev->stats.rx_length_errors++;
-                return -EMSGSIZE;
+                return EMSGSIZE;
             }
         } else if (errno != EINTR) {
             if (errno != EAGAIN) {
@@ -292,7 +294,7 @@ netdev_tunnel_rx_recv(struct netdev_rx *rx_, void *buffer, size_t size)
                     netdev_rx_get_name(rx_), ovs_strerror(errno));
                    netdev->stats.rx_errors++;
             }
-            return -errno;
+            return errno;
         }
     }
 }
@@ -614,13 +616,11 @@ const struct netdev_class netdev_tunnel_class = {
     NULL,                       /* get_in6 */
     NULL,                       /* add_router */
     NULL,                       /* get_next_hop */
-    NULL,                       /* get_drv_info */
+    NULL,                       /* get_status */
     NULL,                       /* arp_lookup */
 
     netdev_tunnel_update_flags,
 
-    netdev_tunnel_change_seq,
-
     netdev_tunnel_rx_alloc,
     netdev_tunnel_rx_construct,
     netdev_tunnel_rx_destruct,