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netlib: Delete the redundancy code.

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Signed-off-by: liqinhui <liqinhui@xiaomi.com>
This commit is contained in:
liqinhui 2024-02-04 16:51:28 +08:00 committed by Xiang Xiao
parent f4141998dd
commit c326677f7a
1 changed files with 0 additions and 34 deletions
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34
netutils/netlib/netlib_obtainipv6addr.c
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@ -41,37 +41,6 @@
* Private Functions
****************************************************************************/
#ifdef CONFIG_NET_ETHERNET
static void icmpv6_linkipaddr_6(FAR const uint8_t *mac, FAR uint16_t *ipaddr)
{
ipaddr[0] = htons(0xfe80);
ipaddr[1] = 0;
ipaddr[2] = 0;
ipaddr[3] = 0;
ipaddr[4] = htons(mac[0] << 8 | mac[1]);
ipaddr[5] = htons(mac[2] << 8 | 0x00ff);
ipaddr[6] = htons(0x00fe << 8 | mac[3]);
ipaddr[7] = htons(mac[4] << 8 | mac[5]);
ipaddr[4] ^= htons(0x0200);
}
static void dhcpv6_set_lladdr(FAR const char *ifname)
{
struct in6_addr addr6;
uint8_t mac[IFHWADDRLEN];
/* Get the MAC address of the NIC */
netlib_getmacaddr(ifname, mac);
/* Set the Link Local Address of the NIC */
icmpv6_linkipaddr_6(mac, (uint16_t *)&addr6);
netlib_set_ipv6addr(ifname, &addr6);
netlib_prefix2ipv6netmask(64, &addr6);
}
#endif
static int dhcpv6_setup_result(FAR const char *ifname,
FAR struct dhcp6c_state *presult)
{
@ -120,9 +89,6 @@ static int dhcpv6_obtain_statefuladdr(FAR const char *ifname)
int ret;
memset(&result, 0, sizeof(result));
#ifdef CONFIG_NET_ETHERNET
dhcpv6_set_lladdr(ifname);
#endif
handle = dhcp6c_open(ifname);
ret = dhcp6c_request(handle, &result);