X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsession%2Fsession.h;fp=src%2Fvnet%2Fsession%2Fsession.h;h=10bae273d8534801cc4898a3988c8680d60b9dd9;hb=c8767c42aadb5bd63206e117673991ef799e2d18;hp=e92b1f079d600aed29f95c2438461306f3bd268b;hpb=31eaea9eef0594117e83733aa01f8bbda940e4da;p=vpp.git

diff --git a/src/vnet/session/session.h b/src/vnet/session/session.h
index e92b1f079d6..10bae273d85 100644
--- a/src/vnet/session/session.h
+++ b/src/vnet/session/session.h
@@ -582,6 +582,19 @@ transport_rx_fifo_has_ooo_data (transport_connection_t * tc)
   return svm_fifo_has_ooo_data (s->rx_fifo);
 }
 
+always_inline u32
+transport_tx_fifo_has_dgram (transport_connection_t *tc)
+{
+  session_t *s = session_get (tc->s_index, tc->thread_index);
+  u32 max_deq = svm_fifo_max_dequeue_cons (s->tx_fifo);
+  session_dgram_pre_hdr_t phdr;
+
+  if (max_deq <= sizeof (session_dgram_hdr_t))
+    return 0;
+  svm_fifo_peek (s->tx_fifo, 0, sizeof (phdr), (u8 *) &phdr);
+  return max_deq >= phdr.data_length + sizeof (session_dgram_hdr_t);
+}
+
 always_inline void
 transport_rx_fifo_req_deq_ntf (transport_connection_t *tc)
 {