embedded-libraries/w5500-eth
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
441b6563d6f6ceec5a7e151e627a1c86b16fa08b
w5500-eth/Internet/AAC/AddressAutoConfig.c
Zakhar Panteleev 441b6563d6 up
2025-12-10 17:55:05 +03:00

682 lines
22 KiB
C
Raw Blame History

//* ****************************************************************************
//! \file AddressAutoConfig.c
//! \brief IPv6 AddressAutoConfig Source File.
//! \version 1.0.0
//! \date 2019/01/01
//! \par Revision history
//! <2019/01/01> 1st Release
//! \author WIZnet
//! \copyright
//!
//! Copyright (c) 2019, WIZnet Co., LTD.
//!
//! Permission is hereby granted, free of charge, to any person obtaining a copy
//! of this software and associated documentation files (the "Software"), to deal
//! in the Software without restriction, including without limitation the rights
//! to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//! copies of the Software, and to permit persons to whom the Software is
//! furnished to do so, subject to the following conditions:
//!
//! The above copyright notice and this permission notice shall be included in
//! all copies or substantial portions of the Software.
//!
//! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//! IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//! FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//! AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//! LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//! OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//! SOFTWARE.
//!
//*****************************************************************************
#include "AddressAutoConfig.h"
#if (_WIZCHIP_ == W6100)
#define MY_MAX_DHCP6_RETRY 3
uint8_t AAC_SOCKET; // Socket number for AddressAutoConfi
/**
@brief
*/
extern uint8_t DNS6_Address[16];
/**
@brief
@param netinfo
@param test_buf
@return uint8_t
*/
uint8_t AddressAutoConfig_Init(uint8_t s, wiz_NetInfo *netinfo) {
uint8_t MO_flag;
uint8_t result_aac = 0;
uint8_t data_buf[2048] = {
0,
};
AAC_SOCKET = s; // SOCK_AAC
// DAD LLA
printf("Duplicate_Address_Detection\r\n");
Duplicate_Address_Detection(netinfo);
ctlnetwork(CN_SET_NETINFO, netinfo);
print_network_information();
// RSRA
printf("Address_Auto_Configuration Start\r\n");
MO_flag = Address_Auto_Config_RA(AAC_SOCKET, data_buf, sizeof(data_buf), netinfo);
ctlnetwork(CN_SET_NETINFO, netinfo);
print_network_information();
if (MO_flag == SLAAC_RDNSS) {
// Completed
printf("Address_Auto_Configuration Succeed\r\n");
result_aac = 1;
} else if (MO_flag == SLAAC_DHCP6) {
// Need Stateless DHCP
// Get Other Information
printf("Address_Auto_Configuration Failed\r\n");
printf("Stateless DHCP Start\r\n");
memset(data_buf, 0, sizeof(data_buf));
result_aac = Address_Auto_Config_SLDHCP(AAC_SOCKET, data_buf);
if (result_aac == 1) {
printf(" Stateless DHCP Succeed\r\n");
} else {
printf(" Stateless DHCP Failed\r\n");
}
} else if (MO_flag == SFAAC_DHCP6) {
// Need Stateful DHCP
// Get Managed Information
printf("Address_Auto_Configuration Failed\r\n");
printf("Stateful DHCP Start\r\n");
memset(data_buf, 0, sizeof(data_buf));
result_aac = Address_Auto_Config_SFDHCP(AAC_SOCKET, data_buf, netinfo);
if (result_aac == 1) {
printf("Stateful DHCP Succeed\r\n");
} else {
printf("Stateful DHCP Failed\r\n");
}
ctlnetwork(CN_SET_NETINFO, netinfo);
print_network_information();
} else {
printf("Address_Auto_Configuration Failed MO_Flag : 0x%x\r\n", MO_flag);
result_aac = 0;
}
while (SOCK_OK != close(AAC_SOCKET));
return result_aac;
}
/**
@brief
@param sn
@param test_buf
@return uint8_t
*/
uint8_t Address_Auto_Config_SLDHCP(uint8_t sn, uint8_t *test_buf) {
uint8_t result = 0;
uint8_t tmp[16];
uint32_t toggle = 1;
uint32_t my_dhcp_retry = 0;
DHCP6_init(sn, test_buf);
while (1) {
switch (DHCP6_run2()) {
case DHCP6_IP_ASSIGN:
case DHCP6_IP_CHANGED:
/* If this block empty, act with default_ip_assign & default_ip_update */
//
// This example calls the registered 'my_ip_assign' in the two case.
//
// Add to ...
//
//
toggle = 1;
if (toggle) {
getGAR(tmp);
printf("> DHCP GW : %d.%d.%d.%d\r\n", tmp[0], tmp[1], tmp[2], tmp[3]);
getSUBR(tmp);
printf("> DHCP SN : %d.%d.%d.%d\r\n", tmp[0], tmp[1], tmp[2], tmp[3]);
getSIPR(tmp);
printf("> DHCP IP : %d.%d.%d.%d\r\n", tmp[0], tmp[1], tmp[2], tmp[3]);
toggle = 0;
close(sn); /*
If renewal IP address was defferent previous IP address,
socket becomes to disconnect or close for new connection.
*/
}
break;
case DHCP6_IP_LEASED:
//
if (toggle) {
getSHAR(tmp);
printf("Mac address : %.2x:%.2x:%.2x:%.2x:%.2x:%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5]);
getLLAR(tmp);
printf("your Link Local IP is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7],
tmp[8], tmp[9], tmp[10], tmp[11],
tmp[12], tmp[13], tmp[14], tmp[15]);
getGUAR(tmp);
printf("your Global IP is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7],
tmp[8], tmp[9], tmp[10], tmp[11],
tmp[12], tmp[13], tmp[14], tmp[15]);
getGA6R(tmp);
printf("your Gateway IP is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7],
tmp[8], tmp[9], tmp[10], tmp[11],
tmp[12], tmp[13], tmp[14], tmp[15]);
printf("your DNSv6 is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", DNS6_Address[0], DNS6_Address[1], DNS6_Address[2], DNS6_Address[3],
DNS6_Address[4], DNS6_Address[5], DNS6_Address[6], DNS6_Address[7],
DNS6_Address[8], DNS6_Address[9], DNS6_Address[10], DNS6_Address[11],
DNS6_Address[12], DNS6_Address[13], DNS6_Address[14], DNS6_Address[15]);
toggle = 0;
}
return 1;
case DHCP6_FAILED:
/* ===== Example pseudo code ===== */
// The below code can be replaced your code or omitted.
// if omitted, retry to process DHCP
my_dhcp_retry++;
if (my_dhcp_retry > MY_MAX_DHCP6_RETRY) {
#if DEBUG_MODE != DEBUG_NO
printf(">> DHCP %d Failed\r\n", my_dhcp_retry);
#endif
my_dhcp_retry = 0;
DHCP6_stop(); // if restart, recall DHCP6_init()
}
break;
default:
break;
}
}
return result;
}
/**
@brief
@param sn
@param test_buf
@return uint8_t
*/
uint8_t Address_Auto_Config_SFDHCP(uint8_t sn, uint8_t *test_buf, wiz_NetInfo *netinfo) {
uint8_t result;
uint8_t tmp[16];
uint32_t toggle = 1;
uint32_t my_dhcp_retry = 0;
DHCP6_init(sn, test_buf);
while (1) {
switch (DHCP6_run(netinfo)) {
case DHCP6_IP_ASSIGN:
case DHCP6_IP_CHANGED:
/* If this block empty, act with default_ip_assign & default_ip_update */
//
// This example calls the registered 'my_ip_assign' in the two case.
//
// Add to ...
//
//
toggle = 1;
if (toggle) {
// getGAR(tmp); printf("> DHCP GW : %d.%d.%d.%d\r\n", tmp[0], tmp[1], tmp[2], tmp[3]);
// getSUBR(tmp); printf("> DHCP SN : %d.%d.%d.%d\r\n", tmp[0], tmp[1], tmp[2], tmp[3]);
// getSIPR(tmp); printf("> DHCP IP : %d.%d.%d.%d\r\n", tmp[0], tmp[1], tmp[2], tmp[3]);
toggle = 0;
close(sn); /*
If renewal IP address was defferent previous IP address,
socket becomes to disconnect or close for new connection.
*/
}
break;
case DHCP6_IP_LEASED:
//
if (toggle) {
getSHAR(tmp);
printf("Mac address : %.2x:%.2x:%.2x:%.2x:%.2x:%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3], tmp[4], tmp[5]);
getLLAR(tmp);
printf("your Link Local IP is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7],
tmp[8], tmp[9], tmp[10], tmp[11],
tmp[12], tmp[13], tmp[14], tmp[15]);
getGUAR(tmp);
printf("your Global IP is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7],
tmp[8], tmp[9], tmp[10], tmp[11],
tmp[12], tmp[13], tmp[14], tmp[15]);
getGA6R(tmp);
printf("your Gateway IP is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", tmp[0], tmp[1], tmp[2], tmp[3],
tmp[4], tmp[5], tmp[6], tmp[7],
tmp[8], tmp[9], tmp[10], tmp[11],
tmp[12], tmp[13], tmp[14], tmp[15]);
printf("your DNSv6 is %.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x:%.2x%.2x \r\n", DNS6_Address[0], DNS6_Address[1], DNS6_Address[2], DNS6_Address[3],
DNS6_Address[4], DNS6_Address[5], DNS6_Address[6], DNS6_Address[7],
DNS6_Address[8], DNS6_Address[9], DNS6_Address[10], DNS6_Address[11],
DNS6_Address[12], DNS6_Address[13], DNS6_Address[14], DNS6_Address[15]);
toggle = 0;
}
return 1;
case DHCP6_FAILED:
/* ===== Example pseudo code ===== */
// The below code can be replaced your code or omitted.
// if omitted, retry to process DHCP
my_dhcp_retry++;
if (my_dhcp_retry > MY_MAX_DHCP6_RETRY) {
#if DEBUG_MODE != DEBUG_NO
printf(">> DHCP %d Failed\r\n", my_dhcp_retry);
#endif
my_dhcp_retry = 0;
DHCP6_stop(); // if restart, recall DHCP6_init()
return 0;
}
break;
default:
break;
}
}
return result;
}
/**
@brief
@param sn
@param icmpbuf
@param buf_size
@param netinfo
@return uint8_t
*/
uint8_t Address_Auto_Config_RA(uint8_t sn, uint8_t *icmpbuf, uint16_t buf_size, wiz_NetInfo *netinfo) {
uint8_t result;
volatile uint16_t size;
uint8_t destip[16];
uint16_t destport;
uint8_t addr_len, o_len;
uint8_t flags;
uint8_t *p;
uint8_t *e;
int i;
uint8_t o_type, type, code, RA_flag, MO_flag; //, O_flag;
uint16_t Router_lifetime;
uint32_t Reachable_time, Retrans_time;
uint32_t end_point;
uint8_t prefix_len, pi_flag;
uint32_t validtime, prefertime, dnstime;
uint8_t prefix[16];
if (getSLCR() != 0x00) { //check clear CMD
#if (AutoConfig_debug == debug_on)
printf("ERROR : RQCMD is not clear\r\n");
#endif
result = ERROR_SLCMD;
return result;
}
setICMP6BLKR(ICMP6BLKR_RA);
printf("getICMP6BLKR() = 0x%x\r\n", getICMP6BLKR()); // 0X4
setSn_PNR(sn, PROTOCOL_NUM_ICMPv6); //ICMPv6 : 58
printf("getSn_PROTOR(%d) = 0x%x\r\n", sn, getSn_PNR(sn)); // 0X3a
socket(sn, Sn_MR_IPRAW6, 0, 0);
#if 1
printf("Sn_SR : %x \r\n", getSn_SR(sn)); // 0X21 33
#else
#if (AutoConfig_debug == debug_on)
printf("Sn_SR : %x \r\n", getSn_SR(sn));
#endif
#endif
setSLRTR(4000);
printf("getSLRTR() = 0x%x\r\n", getSLRTR()); // 0xfa0 4000
setSLRCR(0);
printf("getSLRCR() = 0x%x\r\n", getSLRCR()); // 0
setSLCR(SLCR_RS);
printf("getSLCR() = 0x%x\r\n", getSLCR()); // 0
printf("getSLIR() = 0x%x\r\n", getSLIR()); // 0
#if (AutoConfig_debug == debug_on)
printf("Wait SLIR.....\r\n");
#endif
do {
if (getSn_RX_RSR(sn) > 0) {
printf("getSLIR() = 0x%x\r\n", getSLIR()); // 0
printf("getSn_RX_RSR(%d) = 0x%x\r\n", sn, getSn_RX_RSR(sn)); // 0x4a 74
printf("size : %d \r\n", sizeof(icmpbuf));
size = recvfrom(sn, icmpbuf, buf_size, destip, &destport, &addr_len);
printf("recvfrom IP : %x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x \r\n", destip[0], destip[1], destip[2], destip[3], destip[4], destip[5], destip[6], destip[7], destip[8], destip[9], destip[10], destip[11], destip[12], destip[13], destip[14], destip[15]);
// =================================================
// 20190402
// Taylor
//
// Set Gateway from source
memcpy(netinfo->gw6, destip, 16);
// =================================================
}
p = icmpbuf;
} while (*p != ROUTER_ADVERTISEMENT);
e = p + size;
switch (*p) {
case ROUTER_ADVERTISEMENT:
printf("RA\r\n");
type = *p++;
printf("type : %x \r\n", type);
code = *p++;
printf("code : %x \r\n", code);
p++;
p++; //checksum
p++; //Cur hop limit
RA_flag = *p++;
printf("RA_flag : %x \r\n", RA_flag);
Router_lifetime = *p++ << 8;
Router_lifetime = Router_lifetime + (*p++);
printf("Router_lifetime : %d s \r\n", Router_lifetime);
Reachable_time = *p++ << 24;
Reachable_time = Reachable_time + (*p++ << 16);
Reachable_time = Reachable_time + (*p++ << 8);
Reachable_time = Reachable_time + (*p++);
printf("Reachable_time : %d ms \r\n", Reachable_time);
Retrans_time = *p++ << 24;
Retrans_time = Retrans_time + (*p++ << 16);
Retrans_time = Retrans_time + (*p++ << 8);
Retrans_time = Retrans_time + (*p++);
printf("Retrans_time : %d ms \r\n", Retrans_time);
while (p < e) {
switch (*p) {
case RAO_SLLA:
o_type = *p++;
printf("Option Type : %d (Source LLA) \r\n", o_type);
o_len = (*p++) * 8;
printf("Option length : %d \r\n", o_len);
p += (o_len - 2);
break;
case RAO_TLLA:
o_type = *p++;
printf("Option Type : %d (Target LLA) \r\n", o_type);
o_len = (*p++) * 8;
printf("Option length : %d \r\n", o_len);
p += (o_len - 2);
break;
case RAO_PI:
o_type = *p++;
printf("Option Type : %d (Prefix information) \r\n", o_type);
o_len = (*p++) * 8;
printf("Option length : %d \r\n", o_len);
end_point = (uint32_t)p - 2 + o_len;
prefix_len = *p++;
printf("Prefix Length : %d \r\n", prefix_len);
pi_flag = *p++;
printf("Prefix Information Flag : %.2x \r\n", pi_flag);
validtime = (*p++ << 24);
validtime += (*p++ << 16);
validtime += (*p++ << 8);
validtime += (*p++);
printf("valid lifetime : %d \r\n", validtime);
prefertime = (*p++ << 24);
prefertime += (*p++ << 16);
prefertime += (*p++ << 8);
prefertime += (*p++);
printf("preferred lifetime : %d \r\n", prefertime);
p++;
p++;
p++;
p++; //reserved
getLLAR(prefix);
for (int i = 0; i < prefix_len / 8; i++) {
prefix[i] = *p++;
// =================================================
// 20190416
// Taylor
//
// Set Subnet Mask from prefix
netinfo->sn6[i] = 0xFF;
// =================================================
}
memcpy(netinfo->gua, prefix, 16);
while ((uint32_t)p != end_point) {
p++;
}
printf("prefix : ");
for (i = 0; i < prefix_len / 8; i++) {
printf("%.2x", prefix[i]);
if (1 == (i % 2)) {
printf(":");
}
}
printf(":\r\n");
break;
case RAO_RH:
o_type = *p++;
printf("Option Type : %d (Redirected Header) \r\n", o_type);
o_len = (*p++) * 8;
printf("Option length : %d \r\n", o_len);
p += (o_len - 2);
break;
case RAO_MTU:
o_type = *p++;
printf("Option Type : %d (MTU) \r\n", o_type);
o_len = (*p++) * 8;
printf("Option length : %d \r\n", o_len);
p += (o_len - 2);
break;
case RAO_RDNS:
o_type = *p++;
printf("Option Type : %d (Recursive DNS Server) \r\n", o_type);
o_len = (*p++) * 8;
printf("Option length : %d \r\n", o_len);
end_point = (uint32_t)p - 2 + o_len;
p++;
p++; //reserved
dnstime = (*p++ << 24);
dnstime += (*p++ << 16);
dnstime += (*p++ << 8);
dnstime += (*p++);
printf("DNS lifetime : %d \r\n", dnstime);
DNS6_Address[0] = *p++;
DNS6_Address[1] = *p++;
DNS6_Address[2] = *p++;
DNS6_Address[3] = *p++;
DNS6_Address[4] = *p++;
DNS6_Address[5] = *p++;
DNS6_Address[6] = *p++;
DNS6_Address[7] = *p++;
DNS6_Address[8] = *p++;
DNS6_Address[9] = *p++;
DNS6_Address[10] = *p++;
DNS6_Address[11] = *p++;
DNS6_Address[12] = *p++;
DNS6_Address[13] = *p++;
DNS6_Address[14] = *p++;
DNS6_Address[15] = *p++;
while ((uint32_t)p != end_point) {
p++;
}
printf("DNS IP : ");
for (i = 0; i < 15; i++) {
printf("%.2x", DNS6_Address[i]);
if (1 == (i % 2)) {
printf(":");
}
}
printf("%x\r\n", DNS6_Address[15]);
break;
default:
printf("default\r\n");
o_type = *p++;
printf("o_type : %d \r\n", o_type);
o_len = (*p++) * 8;
printf("o_len : %d \r\n", o_len);
#if 1
// 20231106 taylor
if (o_len > 0) {
p += (o_len - 2);
} else {
p ++;
}
#else
p += (o_len - 2);
#endif
break;
} // ICMP option
} //while
}
close(sn);
printf("RA : %x \r\n", RA_flag);
//M_flag = RA_flag >> 7;
MO_flag = RA_flag >> 6;
printf("MO : %x \r\n", MO_flag);
result = MO_flag;
return result;
}
/**
@brief
@param netinfo
@return uint8_t
*/
uint8_t Duplicate_Address_Detection(wiz_NetInfo *netinfo) {
uint8_t result;
uint8_t WIZ_LLA[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
uint8_t flags;
uint8_t tmp_array[16];
uint16_t i;
setSLRTR(2000);
setSLRCR(5);
Generate_EUI64(netinfo->mac, WIZ_LLA);
setSLDIP6R(WIZ_LLA); //target address setting
//setSLIMR(SLIR_TIOUT|SLIR_NS); //only external interrupt???
if (getSLCR() != 0x00) { //check clear CMD
#if (AutoConfig_debug == debug_on)
printf("ERROR : RQCMD is not clear %x \r\n", getSLCR());
#endif
while (1)
;
}
setSLCR(SLCR_NS);
#if (AutoConfig_debug == debug_on)
printf("Wait RQIR.....\r\n");
#endif
do {
flags = getSLIR();
if (flags & SLIR_TOUT) {
#if (AutoConfig_debug == debug_on)
printf("\r\nTimeout !!! DAD SUCCESSED\r\n");
#endif
#if 0
// 20190401
NETCFG_UNLOCK();
#endif
//-- Set Link Local Address
memcpy(netinfo->lla, WIZ_LLA, 16);
#if 0
// 20190404
// Display memcpy result
printf("WIZ_LLA:\r\n");
for (i = 0; i < 16; i += 2) {
printf("%.2x%.2x:", WIZ_LLA[i], WIZ_LLA[i + 1]);
}
printf("\r\n");
printf("netinfo->mac:\r\n");
for (i = 0; i < 16; i += 2) {
printf("%.2x%.2x:", netinfo->lla[i], netinfo->lla[i + 1]);
}
printf("\r\n");
#endif
#if 0
// 20190401
NETCFG_LOCK();
#endif
result = SUCCESS;
} else if (flags & SLIR_NS) {
#if (AutoConfig_debug == debug_on)
printf("\r\nReceived NA !!! DAD FAILED\r\n");
#endif
result = ERROR_DAD_FAIL;
}
} while (!((flags & SLIR_TOUT) || (flags & SLIR_NS)));
printf("\r\nflags = 0x%x\r\n", flags);
setSLIRCLR(flags);
return result;
}
/**
@brief
@param mac_addr
@param Link_Local_Addr
*/
void Generate_EUI64(uint8_t *mac_addr, uint8_t *Link_Local_Addr) {
*Link_Local_Addr = 0xfe;
*(Link_Local_Addr + 1) = 0x80;
//00:00:00:00:00:00
*(Link_Local_Addr + 8) = *(mac_addr); //flip the 7th bit of 1st byte
*(Link_Local_Addr + 8) ^= 1 << 1;
*(Link_Local_Addr + 9) = *(mac_addr + 1);
*(Link_Local_Addr + 10) = *(mac_addr + 2);
*(Link_Local_Addr + 11) = 0xFF;
*(Link_Local_Addr + 12) = 0xFE;
*(Link_Local_Addr + 13) = *(mac_addr + 3);
*(Link_Local_Addr + 14) = *(mac_addr + 4);
*(Link_Local_Addr + 15) = *(mac_addr + 5);
}
#endif
Reference in New Issue View Git Blame Copy Permalink