1 files changed, 81 insertions, 0 deletions

diff --git a/net/sctp/command.c b/net/sctp/command.c
new file mode 100644
index 000000000000..3ff804757f4a
--- /dev/null
+++ b/net/sctp/command.c
@@ -0,0 +1,81 @@
+/* SCTP kernel reference Implementation Copyright (C) 1999-2001
+ * Cisco, Motorola, and IBM
+ * Copyright 2001 La Monte H.P. Yarroll
+ *
+ * This file is part of the SCTP kernel reference Implementation
+ *
+ * These functions manipulate sctp command sequences.
+ *
+ * The SCTP reference 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
+ * will be useful, but WITHOUT ANY WARRANTY; without even the implied
+ *                 ************************
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Please send any bug reports or fixes you make to the
+ * email address(es):
+ *    lksctp developers <lksctp-developers@lists.sourceforge.net>
+ *
+ * Or submit a bug report through the following website:
+ *    http://www.sf.net/projects/lksctp
+ *
+ * Written or modified by:
+ *    La Monte H.P. Yarroll <piggy@acm.org>
+ *    Karl Knutson <karl@athena.chicago.il.us>
+ *
+ * Any bugs reported given to us we will try to fix... any fixes shared will
+ * be incorporated into the next SCTP release.
+ */
+
+#include <linux/types.h>
+#include <net/sctp/sctp.h>
+#include <net/sctp/sm.h>
+
+/* Initialize a block of memory as a command sequence. */
+int sctp_init_cmd_seq(sctp_cmd_seq_t *seq)
+{
+        memset(seq, 0, sizeof(sctp_cmd_seq_t));
+        return 1;               /* We always succeed.  */
+}
+
+/* Add a command to a sctp_cmd_seq_t.
+ * Return 0 if the command sequence is full.
+ */
+int sctp_add_cmd(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
+{
+        if (seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS)
+                goto fail;
+
+        seq->cmds[seq->next_free_slot].verb = verb;
+        seq->cmds[seq->next_free_slot++].obj = obj;
+
+        return 1;
+
+fail:
+        return 0;
+}
+
+/* Return the next command structure in a sctp_cmd_seq.
+ * Returns NULL at the end of the sequence.
+ */
+sctp_cmd_t *sctp_next_cmd(sctp_cmd_seq_t *seq)
+{
+        sctp_cmd_t *retval = NULL;
+
+        if (seq->next_cmd < seq->next_free_slot)
+                retval = &seq->cmds[seq->next_cmd++];
+
+        return retval;
+}
+