udp session: allow dgram ip fragmentation

[vpp.git] / src / vnet / udp / udp.h

diff --git a/src/vnet/udp/udp.h b/src/vnet/udp/udp.h
index 9e1aad6..ddc9a0e 100644 (file)
--- a/src/vnet/udp/udp.h
+++ b/src/vnet/udp/udp.h
@@ -63,6 +63,7 @@ typedef struct
   transport_connection_t connection;   /**< must be first */
   clib_spinlock_t rx_lock;             /**< rx fifo lock */
   u8 flags;                            /**< connection flags */
+  u16 mss;                             /**< connection mss */
 } udp_connection_t;
 
 #define foreach_udp4_dst_port                  \
@@ -171,6 +172,7 @@ typedef struct
   clib_spinlock_t *peekers_write_locks;
   udp_connection_t *listener_pool;
 
+  u16 default_mtu;
 } udp_main_t;
 
 extern udp_main_t udp_main;
@@ -306,10 +308,9 @@ vlib_buffer_push_udp (vlib_buffer_t * b, u16 sp, u16 dp, u8 offload_csum)
   uh->checksum = 0;
   uh->length = clib_host_to_net_u16 (udp_len);
   if (offload_csum)
-    {
-      b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
-      vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data;
-    }
+    b->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+  vnet_buffer (b)->l4_hdr_offset = (u8 *) uh - b->data;
+  b->flags |= VNET_BUFFER_F_L4_HDR_OFFSET_VALID;
   return uh;
 }