/* SCTP kernel implementation Copyright (C) 1999-2001 * Cisco, Motorola, and IBM * Copyright 2001 La Monte H.P. Yarroll * * This file is part of the SCTP kernel implementation * * These functions manipulate sctp command sequences. * * 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. * * 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. * 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 <linux-sctp@vger.kernel.org> * * Written or modified by: * La Monte H.P. Yarroll <piggy@acm.org> * Karl Knutson <karl@athena.chicago.il.us> */#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. */void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj){ BUG_ON(seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS); seq->cmds[seq->next_free_slot].verb = verb; seq->cmds[seq->next_free_slot++].obj = obj;}/* 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;}
/* SCTP kernel implementation Copyright (C) 1999-2001
* Cisco, Motorola, and IBM
* Copyright 2001 La Monte H.P. Yarroll
*
* This file is part of the SCTP kernel implementation
*
* These functions manipulate sctp command sequences.
*
* 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.
*
* 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.
* 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 <linux-sctp@vger.kernel.org>
*
* Written or modified by:
* La Monte H.P. Yarroll <piggy@acm.org>
* Karl Knutson <karl@athena.chicago.il.us>
*/
#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.
*/
void sctp_add_cmd_sf(sctp_cmd_seq_t *seq, sctp_verb_t verb, sctp_arg_t obj)
{
BUG_ON(seq->next_free_slot >= SCTP_MAX_NUM_COMMANDS);
seq->cmds[seq->next_free_slot].verb = verb;
seq->cmds[seq->next_free_slot++].obj = obj;
}
/* 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;
}