86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/****************************************************************************
|
|
* net/mld/mld_initialize.c
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
#include <debug.h>
|
|
|
|
#include <nuttx/wdog.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_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)
|
|
{
|
|
mldinfo("MLD initializing dev %p\n", dev);
|
|
|
|
/* Initialize the MLD state in the device structure */
|
|
|
|
memset(&dev->d_mld, 0, sizeof(struct mld_netdev_s));
|
|
|
|
/* All routers start up as a Querier on each of their attached links. */
|
|
|
|
SET_MLD_QUERIER(dev->d_mld.flags);
|
|
|
|
/* Add the all nodes address to the group
|
|
* REVISIT: Do we need this? What is it for? It is clone from IGMP and
|
|
* probably is not relevant here.
|
|
*/
|
|
|
|
mld_grpalloc(dev, g_ipv6_allnodes);
|
|
|
|
/* Allow the MLD messages at the MAC level */
|
|
|
|
mld_addmcastmac(dev, g_ipv6_allnodes);
|
|
mld_addmcastmac(dev, g_ipv6_allrouters);
|
|
mld_addmcastmac(dev, g_ipv6_allmldv2routers);
|
|
|
|
#ifdef CONFIG_NET_MLD_ROUTER
|
|
/* Start the general query timer. */
|
|
|
|
mld_start_gentimer(dev, MSEC2TICK(MLD_QUERY_MSEC));
|
|
#endif
|
|
}
|