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