Add extern to *_main global variable declarations in header files.

[vpp.git] / src / vnet / devices / af_packet / af_packet.c

diff --git a/src/vnet/devices/af_packet/af_packet.c b/src/vnet/devices/af_packet/af_packet.c
index 3269601..d0a241e 100644 (file)
--- a/src/vnet/devices/af_packet/af_packet.c
+++ b/src/vnet/devices/af_packet/af_packet.c
@@ -32,6 +32,8 @@
 
 #include <vnet/devices/af_packet/af_packet.h>
 
+af_packet_main_t af_packet_main;
+
 #define AF_PACKET_DEBUG_SOCKET         0
 
 #define AF_PACKET_TX_FRAMES_PER_BLOCK  1024
@@ -406,6 +408,22 @@ af_packet_delete_if (vlib_main_t * vm, u8 * host_if_name)
   return 0;
 }
 
+int
+af_packet_set_l4_cksum_offload (vlib_main_t * vm, u32 sw_if_index, u8 set)
+{
+  vnet_main_t *vnm = vnet_get_main ();
+  vnet_hw_interface_t *hw;
+
+  hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
+
+  if (set)
+    hw->flags &= ~VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
+  else
+    hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
+
+  return 0;
+}
+
 static clib_error_t *
 af_packet_init (vlib_main_t * vm)
 {