X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fdevices%2Faf_packet%2Faf_packet.c;h=eec3e4bc8ae532a8b39e3171e3ecea6e24b7018e;hb=70ed8aeff30c0eece0e19f0ad26c4cc8957278ae;hp=32696014727c9a75f9b6c40de14bc9e5794e316f;hpb=c51702097789a6b4e27ea2b909af74a0a35b7c13;p=vpp.git

diff --git a/src/vnet/devices/af_packet/af_packet.c b/src/vnet/devices/af_packet/af_packet.c
index 32696014727..eec3e4bc8ae 100644
--- 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 +408,25 @@ 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 (hw->dev_class_index != af_packet_device_class.index)
+    return VNET_API_ERROR_INVALID_INTERFACE;
+
+  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)
 {