FRV: Drop the .data.idt section for FRV

[linux-2.6-omap-h63xx.git] / net / sctp / chunk.c

diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 77fb7b06a9c4eb62d2836b8b93fd779f6be4dfc0..4d3128f5ccc3f304676c8022410c40b32c3cf6d9 100644 (file)
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -1,17 +1,17 @@
-/* SCTP kernel reference Implementation
+/* SCTP kernel implementation
  * (C) Copyright IBM Corp. 2003, 2004
  *
- * This file is part of the SCTP kernel reference Implementation
+ * This file is part of the SCTP kernel implementation
  *
  * This file contains the code relating the chunk abstraction.
  *
- * The SCTP reference implementation is free software;
+ * This SCTP implementation is free software;
  * you can redistribute it and/or modify it under the terms of
  * the GNU General Public License as published by
  * the Free Software Foundation; either version 2, or (at your option)
  * any later version.
  *
- * The SCTP reference implementation is distributed in the hope that it
+ * This SCTP implementation is distributed in the hope that it
  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  *                 ************************
  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
@@ -194,6 +194,18 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
 
        max = asoc->frag_point;
 
+       /* If the the peer requested that we authenticate DATA chunks
+        * we need to accound for bundling of the AUTH chunks along with
+        * DATA.
+        */
+       if (sctp_auth_send_cid(SCTP_CID_DATA, asoc)) {
+               struct sctp_hmac *hmac_desc = sctp_auth_asoc_get_hmac(asoc);
+
+               if (hmac_desc)
+                       max -= WORD_ROUND(sizeof(sctp_auth_chunk_t) +
+                                           hmac_desc->hmac_len);
+       }
+
        whole = 0;
        first_len = max;