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-rw-r--r--vnet/vnet/interface.h4
-rw-r--r--vnet/vnet/l2/l2_output.c16
2 files changed, 17 insertions, 3 deletions
diff --git a/vnet/vnet/interface.h b/vnet/vnet/interface.h
index f441f9e1027..1ddd259a0b4 100644
--- a/vnet/vnet/interface.h
+++ b/vnet/vnet/interface.h
@@ -263,6 +263,10 @@ typedef struct vnet_hw_interface_t {
VNET_HW_INTERFACE_FLAG_SPEED_40G | \
VNET_HW_INTERFACE_FLAG_SPEED_100G)
+ /* l2output node flags */
+#define VNET_HW_INTERFACE_FLAG_L2OUTPUT_SHIFT 9
+#define VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED (1 << 9)
+
/* Hardware address as vector. Zero (e.g. zero-length vector) if no
address for this class (e.g. PPP). */
u8 * hw_address;
diff --git a/vnet/vnet/l2/l2_output.c b/vnet/vnet/l2/l2_output.c
index a5424866db1..02862138928 100644
--- a/vnet/vnet/l2/l2_output.c
+++ b/vnet/vnet/l2/l2_output.c
@@ -477,17 +477,27 @@ u32 l2output_create_output_node_mapping (
#if DPDK > 0
uword cpu_number;
+ hw0 = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
+
cpu_number = os_get_cpu_number();
if (cpu_number)
{
+ u32 oldflags;
+ vlib_node_t *error_drop_node;
+
+ error_drop_node = vlib_get_node_by_name (vlib_main, (u8 *) "error-drop");
+ oldflags = __sync_fetch_and_or(&hw0->flags,
+ VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED);
+
+ if ((oldflags & VNET_HW_INTERFACE_FLAG_L2OUTPUT_MAPPED) )
+ return error_drop_node->index;
+
output_node_mapping_send_rpc (node_index, sw_if_index);
- return 0;
+ return error_drop_node->index;
}
#endif
- hw0 = vnet_get_sup_hw_interface (vnet_main, sw_if_index);
-
// dynamically create graph node arc
next = vlib_node_add_next (vlib_main,
node_index,