X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fsctp%2Fsctp_output.c;h=aa0bb41e504a23d4abb7f17fba9dd09bc8380c73;hb=8797168fe2f4fd32d241126181ad0d06c62c4eb4;hp=2b65d97e09333a9b09def3b650f0f9b1b20eb912;hpb=5f1fd46573aa111018f838db14de53e8ecf854b3;p=vpp.git

diff --git a/src/vnet/sctp/sctp_output.c b/src/vnet/sctp/sctp_output.c
index 2b65d97e093..aa0bb41e504 100644
--- a/src/vnet/sctp/sctp_output.c
+++ b/src/vnet/sctp/sctp_output.c
@@ -1367,6 +1367,7 @@ sctp_push_hdr_i (sctp_connection_t * sctp_conn, vlib_buffer_t * b,
 {
   u16 data_len =
     b->current_length + b->total_length_not_including_first_buffer;
+
   ASSERT (!b->total_length_not_including_first_buffer
 	  || (b->flags & VLIB_BUFFER_NEXT_PRESENT));
 
@@ -1375,6 +1376,13 @@ sctp_push_hdr_i (sctp_connection_t * sctp_conn, vlib_buffer_t * b,
 		       "data_len = %u",
 		       b->current_length, b->current_data, data_len);
 
+  u16 data_padding = vnet_sctp_calculate_padding (b->current_length);
+  if (data_padding > 0)
+    {
+      u8 *p_tail = vlib_buffer_put_uninit (b, data_padding);
+      clib_memset_u8 (p_tail, 0, data_padding);
+    }
+
   u16 bytes_to_add = sizeof (sctp_payload_data_chunk_t);
   u16 chunk_length = data_len + bytes_to_add - sizeof (sctp_header_t);