Add a name to the creation of an IP and MPLS table

[vpp.git] / src / vnet / ip / ip4.h

diff --git a/src/vnet/ip/ip4.h b/src/vnet/ip/ip4.h
index 19198bc..decb840 100644 (file)
--- a/src/vnet/ip/ip4.h
+++ b/src/vnet/ip/ip4.h
@@ -72,6 +72,16 @@ typedef struct
   uword function_opaque;
 } ip4_add_del_interface_address_callback_t;
 
+typedef void (ip4_table_bind_function_t)
+  (struct ip4_main_t * im,
+   uword opaque, u32 sw_if_index, u32 new_fib_index, u32 old_fib_index);
+
+typedef struct
+{
+  ip4_table_bind_function_t *function;
+  uword function_opaque;
+} ip4_table_bind_callback_t;
+
 /**
  * @brief IPv4 main type.
  *
@@ -117,6 +127,9 @@ typedef struct ip4_main_t
     ip4_add_del_interface_address_callback_t
     * add_del_interface_address_callbacks;
 
+  /** Functions to call when interface to table biding changes. */
+  ip4_table_bind_callback_t *table_bind_callbacks;
+
   /** Template used to generate IP4 ARP packets. */
   vlib_packet_template_t ip4_arp_request_packet_template;
 
@@ -329,7 +342,8 @@ u32 ip4_tcp_udp_validate_checksum (vlib_main_t * vm, vlib_buffer_t * p0);
  */
 always_inline void *
 vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
-                     ip4_address_t * src, ip4_address_t * dst, int proto)
+                     ip4_address_t * src, ip4_address_t * dst, int proto,
+                     u8 csum_offload)
 {
   ip4_header_t *ih;
 
@@ -347,8 +361,18 @@ vlib_buffer_push_ip4 (vlib_main_t * vm, vlib_buffer_t * b,
   ih->src_address.as_u32 = src->as_u32;
   ih->dst_address.as_u32 = dst->as_u32;
 
-  ih->checksum = 0;
-  b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
+  /* Offload ip4 header checksum generation */
+  if (csum_offload)
+    {
+      ih->checksum = 0;
+      b->flags |= VNET_BUFFER_F_OFFLOAD_IP_CKSUM | VNET_BUFFER_F_IS_IP4;
+      vnet_buffer (b)->l3_hdr_offset = (u8 *) ih - b->data;
+      vnet_buffer (b)->l4_hdr_offset = vnet_buffer (b)->l3_hdr_offset +
+       sizeof (*ih);
+    }
+  else
+    ih->checksum = ip4_header_checksum (ih);
+
   return ih;
 }
 #endif /* included_ip_ip4_h */