nuttx/net/mld/mld_initialize.c

91 lines
3.3 KiB
C

/****************************************************************************
* net/mld/mld_init.c
* MLD initialization logic
*
* Copyright (C) 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of CITEL Technologies Ltd nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY CITEL TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL CITEL TECHNOLOGIES OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <assert.h>
#include <debug.h>
#include <nuttx/net/netdev.h>
#include <nuttx/net/ip.h>
#include <nuttx/net/mld.h>
#include "devif/devif.h"
#include "inet/inet.h"
#include "mld/mld.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: mld_initialize
*
* Description:
* Perform one-time MLD initialization.
*
****************************************************************************/
void mld_initialize(void)
{
}
/****************************************************************************
* Name: mld_devinit
*
* Description:
* Called when a new network device is registered to configure that device
* for MLD support.
*
****************************************************************************/
void mld_devinit(struct net_driver_s *dev)
{
ninfo("MLD initializing dev %p\n", dev);
DEBUGASSERT(dev->d_mld_grplist.head == NULL);
/* Add the all nodes address to the group */
(void)mld_grpalloc(dev, g_ipv6_allnodes);
/* Allow the MLD messages at the MAC level */
mld_addmcastmac(dev, g_ipv6_allrouters);
mld_addmcastmac(dev, g_ipv6_allnodes);
}