diff options
Diffstat (limited to 'meta-facebook/meta-yosemite/recipes-yosemite/ipmid/files/lan.c')
-rw-r--r-- | meta-facebook/meta-yosemite/recipes-yosemite/ipmid/files/lan.c | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/ipmid/files/lan.c b/meta-facebook/meta-yosemite/recipes-yosemite/ipmid/files/lan.c deleted file mode 100644 index 3b36046..0000000 --- a/meta-facebook/meta-yosemite/recipes-yosemite/ipmid/files/lan.c +++ /dev/null @@ -1,127 +0,0 @@ -/* - * lan.c - * - * Copyright 2015-present Facebook. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define _GNU_SOURCE /* To get defns of NI_MAXSERV and NI_MAXHOST */ -#include <arpa/inet.h> -#include <sys/socket.h> -#include <netdb.h> -#include <ifaddrs.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <net/if.h> -#include <linux/if_link.h> -#include <sys/ioctl.h> -#include <stdbool.h> -#include <openbmc/ipmi.h> - -#define ETH_INTF_NAME "eth0" - -#define IPV6_LINK_LOCAL_BYTE1 0xFE -#define IPV6_LINK_LOCAL_BYTE2 0x80 - -#define BYTE_MASK 0xFF -#define BYTE1_OFFSET 8 -#define BYTE2_OFFSET 16 -#define BYTE3_OFFSET 24 - -void plat_lan_init(lan_config_t *lan) -{ - struct ifaddrs *ifaddr, *ifa; - struct sockaddr_in *addr; - struct sockaddr_in6 *addr6; - int family, s, n, i; - unsigned long ip; - unsigned char *ip6; - int sd; - struct ifreq ifr; - uint8_t mac_addr[6]; - uint8_t eui_64_addr[8] = {0x0}; - bool slaac_flag = false; - char test[64]; - - if (getifaddrs(&ifaddr) == -1) { - return; - } - - for (ifa = ifaddr, n = 0; ifa != NULL; ifa = ifa->ifa_next, n++) { - if (ifa->ifa_addr == NULL) { - continue; - } - - if (strcmp(ifa->ifa_name, ETH_INTF_NAME)) { - continue; - } - - family = ifa->ifa_addr->sa_family; - - if (family == AF_INET) { - addr = (struct sockaddr_in*) ifa->ifa_addr; - ip = addr->sin_addr.s_addr; - - // copy the ip address from long to byte array with MSB first - lan->ip_addr[3] = (ip >> BYTE3_OFFSET) & BYTE_MASK; - lan->ip_addr[2] = (ip >> BYTE2_OFFSET) & BYTE_MASK; - lan->ip_addr[1] = (ip >> BYTE1_OFFSET) & BYTE_MASK; - lan->ip_addr[0] = ip & BYTE_MASK; - } else if (family == AF_INET6) { - addr6 = (struct sockaddr_in6*) ifa->ifa_addr; - ip6 = addr6->sin6_addr.s6_addr; - - // If the address is Link Local, Ignore it - if ((ip6[0] == IPV6_LINK_LOCAL_BYTE1) && (ip6[1] == IPV6_LINK_LOCAL_BYTE2)) { - continue; - } - - // Get the MAC address - sd = socket(PF_INET, SOCK_DGRAM, 0); - strcpy(ifr.ifr_name, ifa->ifa_name); - if(ioctl(sd, SIOCGIFHWADDR, &ifr) != -1) { - uint8_t* mac_addr = (uint8_t*)ifr.ifr_hwaddr.sa_data; - - /* - * SLAAC address has lower 8B as follows: - * 3B == First 24b MAC address - * 2B == FFFE - * 3B == Last 24b MAC address - */ - memcpy((void *)&eui_64_addr[0], (void *)&mac_addr[0], 3); - eui_64_addr[3] = 0xFF; - eui_64_addr[4] = 0xFE; - memcpy((void *)&eui_64_addr[5], (void *)&mac_addr[3], 3); - eui_64_addr[0] += 2; - - // Check if the address is SLAAC address. If yes, skip it. - if (!memcmp((void *)&ip6[8], (void *)eui_64_addr, 8)) { - slaac_flag = true; - } - } - - if (slaac_flag) - continue; - - // copy the ip address from array with MSB first - memcpy(lan->ip6_addr, ip6, SIZE_IP6_ADDR); - } - } - - freeifaddrs(ifaddr); -} |