79e8722743
Support Stateless and Stateful. The renew6 is used as follows: - Stateless: renew6 eth0 - Stateful: renew6 eth0 1 Signed-off-by: liqinhui <liqinhui@xiaomi.com>
143 lines
3.7 KiB
C
143 lines
3.7 KiB
C
/****************************************************************************
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* apps/system/dhcp6c/renew6_main.c
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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 <debug.h>
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#include <net/if.h>
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#include <sys/socket.h>
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#include <string.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include <nuttx/net/net.h>
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#include <nuttx/net/netdev.h>
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#include <nuttx/net/dns.h>
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#include "netutils/netlib.h"
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#include "netutils/dhcp6c.h"
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void icmpv6_linkipaddr_6(FAR const uint8_t *mac, uint16_t *ipaddr)
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{
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ipaddr[0] = HTONS(0xfe80);
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ipaddr[1] = 0;
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ipaddr[2] = 0;
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ipaddr[3] = 0;
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ipaddr[4] = HTONS(mac[0] << 8 | mac[1]);
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ipaddr[5] = HTONS(mac[2] << 8 | 0x00ff);
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ipaddr[6] = HTONS(0x00fe << 8 | mac[3]);
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ipaddr[7] = HTONS(mac[4] << 8 | mac[5]);
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ipaddr[4] ^= HTONS(0x0200);
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}
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static void dhcp6c_set_lladdr(FAR const char *ifname)
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{
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struct in6_addr addr6;
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uint8_t mac[IFHWADDRLEN];
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/* Get the MAC address of the NIC */
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netlib_getmacaddr(ifname, mac);
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/* Set the Link Local Address of the NIC */
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icmpv6_linkipaddr_6(mac, (uint16_t *)&addr6);
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netlib_set_ipv6addr(ifname, &addr6);
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netlib_prefix2ipv6netmask(64, &addr6);
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}
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static int setup_result(FAR const char *ifname,
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FAR struct dhcp6c_state *presult)
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{
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int ret;
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ret = netlib_set_ipv6addr(ifname, &presult->addr);
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if (ret != OK)
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{
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nerr("netlib_set_ipv6addr fail\n");
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return ret;
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}
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ret = netlib_set_ipv6netmask(ifname, &presult->netmask);
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if (ret != OK)
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{
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nerr("netlib_set_ipv6netmask fail\n");
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return ret;
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}
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ret = netlib_set_ipv6dnsaddr(&presult->dns);
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if (ret != OK)
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{
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nerr("netlib_set_ipv6dnsaddr fail\n");
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return ret;
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}
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return ret;
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}
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int main(int argc, FAR char * const argv[])
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{
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char ifname[IFNAMSIZ];
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void *handle = NULL;
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struct dhcp6c_state result;
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int ret = -EINVAL;
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memset(ifname, 0, sizeof(ifname));
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memset(&result, 0, sizeof(result));
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if (argc < 2)
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{
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nerr("Input parameters are invalid!\n");
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return ret;
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}
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strlcpy(ifname, argv[1], sizeof(ifname));
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if (argc == 2)
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{
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ret = netlib_icmpv6_autoconfiguration(ifname);
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if (ret)
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{
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nerr("netlib_icmpv6_autoconfiguration fail\n");
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return ret;
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}
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}
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else
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{
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dhcp6c_set_lladdr(ifname);
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handle = dhcp6c_open(ifname);
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ret = dhcp6c_request(handle, &result);
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if (ret != OK)
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{
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nerr("dhcp6c_request fail\n");
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}
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setup_result(ifname, &result);
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dhcp6c_close(handle);
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}
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return ret;
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}
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