vswitchd: Document behavior of 802.1p priorities with VLAN splinters.

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

diff --git a/lib/netdev-linux.c b/lib/netdev-linux.c
index a100898..19a80fb 100644 (file)
--- a/lib/netdev-linux.c
+++ b/lib/netdev-linux.c
@@ -802,9 +802,9 @@ netdev_linux_recv(struct netdev *netdev_, void *data, size_t size)
     }
 
     for (;;) {
-        ssize_t retval = read(netdev->fd, data, size);
+        ssize_t retval = recv(netdev->fd, data, size, MSG_TRUNC);
         if (retval >= 0) {
-            return retval;
+            return retval <= size ? retval : -EMSGSIZE;
         } else if (errno != EINTR) {
             if (errno != EAGAIN) {
                 VLOG_WARN_RL(&rl, "error receiving Ethernet packet on %s: %s",
@@ -1244,8 +1244,8 @@ get_stats_via_vport(const struct netdev *netdev_,
 
         error = netdev_vport_get_stats(netdev_, stats);
         if (error) {
-            VLOG_WARN_RL(&rl, "%s: obtaining netdev stats via vport failed %d",
-                         netdev_get_name(netdev_), error);
+            VLOG_WARN_RL(&rl, "%s: obtaining netdev stats via vport failed "
+                         "(%s)", netdev_get_name(netdev_), strerror(error));
         }
         netdev_dev->have_vport_stats = !error;
         netdev_dev->cache_valid |= VALID_HAVE_VPORT_STATS;