dpif-netdev: Allow for Ethernet and VLAN header in buffer size calculation.

This is a long-standing bug--it was present in version 1.0 too.

Reported-by: Gaetano Catalli <gaetano.catalli@gmail.com>
Solution by Jesse Gross <jesse@nicira.com>

diff --git a/AUTHORS b/AUTHORS
index 6abd7ea..c48479f 100644 (file)
--- a/AUTHORS
+++ b/AUTHORS
@@ -48,6 +48,7 @@ Cedric Hobbs            cedric@nicira.com
 Dave Walker             DaveWalker@ubuntu.com
 Derek Cormier           derek.cormier@lab.ntt.co.jp
 DK Moon                 dkmoon@nicira.com
+Gaetano Catalli         gaetano.catalli@gmail.com
 Ghanem Bahri            bahri.ghanem@gmail.com
 Hector Oron             hector.oron@gmail.com
 Henrik Amren            henrik@nicira.com

diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c
index 82d7d74..391a2a7 100644 (file)
--- a/lib/dpif-netdev.c
+++ b/lib/dpif-netdev.c
@@ -950,7 +950,7 @@ dp_netdev_run(void)
     struct shash_node *node;
     struct ofpbuf packet;
 
-    ofpbuf_init(&packet, DP_NETDEV_HEADROOM + max_mtu);
+    ofpbuf_init(&packet, DP_NETDEV_HEADROOM + VLAN_ETH_HEADER_LEN + max_mtu);
     SHASH_FOR_EACH (node, &dp_netdevs) {
         struct dp_netdev *dp = node->data;
         struct dp_netdev_port *port;