Ratan Gupta | 91a99cc | 2017-04-14 16:32:09 +0530 | [diff] [blame] | 1 | #include "ethernet_interface.hpp" |
| 2 | |
| 3 | #include <phosphor-logging/log.hpp> |
| 4 | |
| 5 | #include <linux/ethtool.h> |
| 6 | #include <net/if.h> |
| 7 | #include <linux/sockios.h> |
| 8 | #include <netinet/in.h> |
| 9 | #include <sys/ioctl.h> |
| 10 | #include <sys/socket.h> |
| 11 | #include <unistd.h> |
| 12 | |
| 13 | namespace phosphor |
| 14 | { |
| 15 | namespace network |
| 16 | { |
| 17 | |
| 18 | using namespace phosphor::logging; |
| 19 | constexpr auto MAC_ADDRESS_FORMAT = "%02X:%02X:%02X:%02X:%02X:%02X"; |
| 20 | constexpr size_t SIZE_MAC = 18; |
| 21 | constexpr size_t SIZE_BUFF = 512; |
| 22 | |
| 23 | EthernetInterface::EthernetInterface(sdbusplus::bus::bus& bus, |
| 24 | const std::string& objPath, |
| 25 | bool dhcpEnabled) : |
| 26 | details::EthernetIface(bus, objPath.c_str(), true) |
| 27 | { |
| 28 | auto intfName = objPath.substr(objPath.rfind("/") + 1); |
| 29 | interfaceName(intfName); |
| 30 | dHCPEnabled(dhcpEnabled); |
| 31 | mACAddress(getMACAddress()); |
| 32 | // Emit deferred signal. |
| 33 | this->emit_object_added(); |
| 34 | } |
| 35 | |
| 36 | /* |
| 37 | Note: We don't have support for ethtool now |
| 38 | will enable this code once we bring the ethtool |
| 39 | in the image. |
| 40 | TODO: https://github.com/openbmc/openbmc/issues/1484 |
| 41 | */ |
| 42 | InterfaceInfo EthernetInterface::getInterfaceInfo() const |
| 43 | { |
| 44 | int sock{-1}; |
| 45 | struct ifreq ifr{0}; |
| 46 | struct ethtool_cmd edata{0}; |
| 47 | LinkSpeed speed {0}; |
| 48 | Autoneg autoneg {0}; |
| 49 | DuplexMode duplex {0}; |
| 50 | do |
| 51 | { |
| 52 | sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); |
| 53 | if (sock < 0) |
| 54 | { |
| 55 | log<level::ERR>("socket creation failed:", |
| 56 | entry("ERROR=%s", strerror(errno))); |
| 57 | break; |
| 58 | } |
| 59 | |
| 60 | strncpy(ifr.ifr_name, interfaceName().c_str(), sizeof(ifr.ifr_name)); |
| 61 | ifr.ifr_data = reinterpret_cast<char*>(&edata); |
| 62 | |
| 63 | edata.cmd = ETHTOOL_GSET; |
| 64 | |
| 65 | if (ioctl(sock, SIOCETHTOOL, &ifr) < 0) |
| 66 | { |
| 67 | log<level::ERR>("ioctl failed for SIOCETHTOOL:", |
| 68 | entry("ERROR=%s", strerror(errno))); |
| 69 | break; |
| 70 | |
| 71 | } |
| 72 | speed = edata.speed; |
| 73 | duplex = edata.duplex; |
| 74 | autoneg = edata.autoneg; |
| 75 | } |
| 76 | while (0); |
| 77 | |
| 78 | if (sock) |
| 79 | { |
| 80 | close(sock); |
| 81 | } |
| 82 | return std::make_tuple(speed, duplex, autoneg); |
| 83 | } |
| 84 | |
| 85 | /** @brief get the mac address of the interface. |
| 86 | * @return macaddress on success |
| 87 | */ |
| 88 | |
| 89 | std::string EthernetInterface::getMACAddress() const |
| 90 | { |
| 91 | struct ifreq ifr; |
| 92 | struct ifconf ifc; |
| 93 | char buf[SIZE_BUFF]; |
| 94 | char macAddress[SIZE_MAC] = ""; |
| 95 | |
| 96 | int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); |
| 97 | if (sock < 0) |
| 98 | { |
| 99 | log<level::ERR>("socket creation failed:", |
| 100 | entry("ERROR=%s", strerror(errno))); |
| 101 | return macAddress; |
| 102 | } |
| 103 | |
| 104 | ifc.ifc_len = sizeof(buf); |
| 105 | ifc.ifc_buf = buf; |
| 106 | if (ioctl(sock, SIOCGIFCONF, &ifc) < 0) |
| 107 | { |
| 108 | log<level::ERR>("ioctl failed for SIOCGIFCONF:", |
| 109 | entry("ERROR=%s", strerror(errno))); |
| 110 | return macAddress; |
| 111 | } |
| 112 | |
| 113 | struct ifreq* it = ifc.ifc_req; |
| 114 | const struct ifreq* const end = it + (ifc.ifc_len / sizeof(struct ifreq)); |
| 115 | |
| 116 | for (; it != end; ++it) |
| 117 | { |
| 118 | if (interfaceName() == it->ifr_name) |
| 119 | { |
| 120 | break; |
| 121 | } |
| 122 | } |
| 123 | if (interfaceName() == it->ifr_name) |
| 124 | { |
| 125 | strcpy(ifr.ifr_name, it->ifr_name); |
| 126 | if (ioctl(sock, SIOCGIFHWADDR, &ifr) != 0) |
| 127 | { |
| 128 | log<level::ERR>("ioctl failed for SIOCGIFHWADDR:", |
| 129 | entry("ERROR=%s", strerror(errno))); |
| 130 | return macAddress; |
| 131 | } |
| 132 | |
| 133 | snprintf(macAddress, SIZE_MAC, MAC_ADDRESS_FORMAT, |
| 134 | ifr.ifr_hwaddr.sa_data[0], ifr.ifr_hwaddr.sa_data[1], |
| 135 | ifr.ifr_hwaddr.sa_data[2], ifr.ifr_hwaddr.sa_data[3], |
| 136 | ifr.ifr_hwaddr.sa_data[4], ifr.ifr_hwaddr.sa_data[5]); |
| 137 | } |
| 138 | return macAddress; |
| 139 | } |
| 140 | }//namespace network |
| 141 | }//namespace phosphor |