blob: 91d998701920a807562e0ba78802e7c70ef8d16e [file] [log] [blame]
#include "channel.hpp"
#include "types.hpp"
#include "transporthandler.hpp"
#include "utils.hpp"
#include <string>
#include <arpa/inet.h>
#include <phosphor-logging/log.hpp>
#include <phosphor-logging/elog-errors.hpp>
#include "xyz/openbmc_project/Common/error.hpp"
extern struct ChannelConfig_t channelConfig;
constexpr auto ipv4Protocol = "xyz.openbmc_project.Network.IP.Protocol.IPv4";
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Common::Error;
/** @struct GetChannelAccessRequest
*
* IPMI payload for Get Channel access command request.
*/
struct GetChannelAccessRequest
{
uint8_t channelNumber; //!< Channel number.
uint8_t volatileSetting; //!< Get non-volatile or the volatile setting.
} __attribute__((packed));
/** @struct GetChannelAccessResponse
*
* IPMI payload for Get Channel access command response.
*/
struct GetChannelAccessResponse
{
uint8_t settings; //!< Channel settings.
uint8_t privilegeLimit; //!< Channel privilege level limit.
} __attribute__((packed));
ipmi_ret_t ipmi_set_channel_access(ipmi_netfn_t netfn,
ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_OK;
std::string ipaddress;
std::string gateway;
uint8_t prefix {};
uint32_t vlanID {};
std::string networkInterfacePath;
ipmi::DbusObjectInfo ipObject;
ipmi::DbusObjectInfo systemObject;
// Todo: parse the request data if needed.
// Using Set Channel cmd to apply changes of Set Lan Cmd.
try
{
sdbusplus::bus::bus bus(ipmid_get_sd_bus_connection());
log<level::INFO>("Network data from Cache",
entry("PREFIX=%s", channelConfig.netmask.c_str()),
entry("ADDRESS=%s", channelConfig.ipaddr.c_str()),
entry("GATEWAY=%s", channelConfig.gateway.c_str()),
entry("VLAN=%d", channelConfig.vlanID),
entry("IPSRC=%d", channelConfig.ipsrc));
if (channelConfig.vlanID != ipmi::network::VLAN_ID_MASK)
{
//get the first twelve bits which is vlan id
//not interested in rest of the bits.
channelConfig.vlanID = le32toh(channelConfig.vlanID);
vlanID = channelConfig.vlanID & ipmi::network::VLAN_ID_MASK;
}
// if the asked ip src is DHCP then not interested in
// any given data except vlan.
if (channelConfig.ipsrc != ipmi::network::IPOrigin::DHCP)
{
// always get the system object
systemObject = ipmi::getDbusObject(
bus,
ipmi::network::SYSTEMCONFIG_INTERFACE,
ipmi::network::ROOT);
// the below code is to determine the mode of the interface
// as the handling is same, if the system is configured with
// DHCP or user has given all the data.
try
{
ipmi::ObjectTree ancestorMap;
ipmi::InterfaceList interfaces {
ipmi::network::ETHERNET_INTERFACE };
// if the system is having ip object,then
// get the IP object.
ipObject = ipmi::getIPObject(
bus,
ipmi::network::IP_INTERFACE,
ipmi::network::ROOT,
ipmi::network::IP_TYPE);
// Get the parent interface of the IP object.
try
{
ancestorMap = ipmi::getAllAncestors(bus,
ipObject.first,
std::move(interfaces));
}
catch (InternalFailure& e)
{
// if unable to get the parent interface
// then commit the error and return.
log<level::ERR>("Unable to get the parent interface",
entry("PATH=%s", ipObject.first.c_str()),
entry("INTERFACE=%s",
ipmi::network::ETHERNET_INTERFACE));
commit<InternalFailure>();
rc = IPMI_CC_UNSPECIFIED_ERROR;
channelConfig.clear();
return rc;
}
networkInterfacePath = ancestorMap.begin()->first;
}
catch (InternalFailure& e)
{
// TODO Currently IPMI supports single interface,need to handle
// Multiple interface through
// https://github.com/openbmc/openbmc/issues/2138
// if there is no ip configured on the system,then
// get the network interface object.
auto networkInterfaceObject = ipmi::getDbusObject(
bus,
ipmi::network::ETHERNET_INTERFACE,
ipmi::network::ROOT,
ipmi::network::INTERFACE);
networkInterfacePath = std::move(networkInterfaceObject.first);
}
// get the configured mode on the system.
auto enableDHCP = ipmi::getDbusProperty(
bus,
ipmi::network::SERVICE,
networkInterfacePath,
ipmi::network::ETHERNET_INTERFACE,
"DHCPEnabled").get<bool>();
// check whether user has given all the data
// or the configured system interface is dhcp enabled,
// in both of the cases get the values from the cache.
if ((!channelConfig.ipaddr.empty() &&
!channelConfig.netmask.empty() &&
!channelConfig.gateway.empty()) ||
(enableDHCP)) // configured system interface mode = DHCP
{
//convert mask into prefix
ipaddress = channelConfig.ipaddr;
prefix = ipmi::network::toPrefix(AF_INET, channelConfig.netmask);
gateway = channelConfig.gateway;
if (channelConfig.vlanID != ipmi::network::VLAN_ID_MASK)
{
//get the first twelve bits which is vlan id
//not interested in rest of the bits.
channelConfig.vlanID = le32toh(channelConfig.vlanID);
vlanID = channelConfig.vlanID & ipmi::network::VLAN_ID_MASK;
}
else
{
vlanID = ipmi::network::getVLAN(networkInterfacePath);
}
}
else // asked ip src = static and configured system src = static
// or partially given data.
{
// We have partial filled cache so get the remaining
// info from the system.
// Get the network data from the system as user has
// not given all the data then use the data fetched from the
// system but it is implementation dependent,IPMI spec doesn't
// force it.
// if system is not having any ip object don't throw error,
try
{
auto properties = ipmi::getAllDbusProperties(
bus,
ipObject.second,
ipObject.first,
ipmi::network::IP_INTERFACE);
ipaddress = channelConfig.ipaddr.empty() ?
properties["Address"].get<std::string>() :
channelConfig.ipaddr;
prefix = channelConfig.netmask.empty() ?
properties["PrefixLength"].get<uint8_t>() :
ipmi::network::toPrefix(AF_INET,
channelConfig.netmask);
}
catch (InternalFailure& e)
{
log<level::INFO>("Failed to get IP object which matches",
entry("INTERFACE=%s", ipmi::network::IP_INTERFACE),
entry("MATCH=%s", ipmi::network::IP_TYPE));
}
auto systemProperties = ipmi::getAllDbusProperties(
bus,
systemObject.second,
systemObject.first,
ipmi::network::SYSTEMCONFIG_INTERFACE);
gateway = channelConfig.gateway.empty() ?
systemProperties["DefaultGateway"].get<std::string>() :
channelConfig.gateway;
}
}
// Currently network manager doesn't support purging of all the
// ip addresses and the vlan interfaces from the parent interface,
// TODO once the support is there, will make the change here.
// https://github.com/openbmc/openbmc/issues/2141.
// TODO Currently IPMI supports single interface,need to handle
// Multiple interface through
// https://github.com/openbmc/openbmc/issues/2138
// instead of deleting all the vlan interfaces and
// all the ipv4 address,we will call reset method.
//delete all the vlan interfaces
ipmi::deleteAllDbusObjects(bus,
ipmi::network::ROOT,
ipmi::network::VLAN_INTERFACE);
// set the interface mode to static
auto networkInterfaceObject = ipmi::getDbusObject(
bus,
ipmi::network::ETHERNET_INTERFACE,
ipmi::network::ROOT,
ipmi::network::INTERFACE);
// setting the physical interface mode to static.
ipmi::setDbusProperty(bus,
ipmi::network::SERVICE,
networkInterfaceObject.first,
ipmi::network::ETHERNET_INTERFACE,
"DHCPEnabled",
false);
networkInterfacePath = networkInterfaceObject.first;
//delete all the ipv4 addresses
ipmi::deleteAllDbusObjects(bus,
ipmi::network::ROOT,
ipmi::network::IP_INTERFACE,
ipmi::network::IP_TYPE);
if (vlanID)
{
ipmi::network::createVLAN(bus,
ipmi::network::SERVICE,
ipmi::network::ROOT,
ipmi::network::INTERFACE,
vlanID);
auto networkInterfaceObject = ipmi::getDbusObject(
bus,
ipmi::network::VLAN_INTERFACE,
ipmi::network::ROOT);
networkInterfacePath = networkInterfaceObject.first;
}
if (channelConfig.ipsrc == ipmi::network::IPOrigin::DHCP)
{
ipmi::setDbusProperty(bus,
ipmi::network::SERVICE,
networkInterfacePath,
ipmi::network::ETHERNET_INTERFACE,
"DHCPEnabled",
true);
}
else
{
//change the mode to static
ipmi::setDbusProperty(bus,
ipmi::network::SERVICE,
networkInterfacePath,
ipmi::network::ETHERNET_INTERFACE,
"DHCPEnabled",
false);
if (!ipaddress.empty())
{
ipmi::network::createIP(bus,
ipmi::network::SERVICE,
networkInterfacePath,
ipv4Protocol,
ipaddress,
prefix);
}
if (!gateway.empty())
{
ipmi::setDbusProperty(bus,
systemObject.second,
systemObject.first,
ipmi::network::SYSTEMCONFIG_INTERFACE,
"DefaultGateway",
std::string(gateway));
}
}
}
catch (InternalFailure& e)
{
log<level::ERR>("Failed to set network data",
entry("PREFIX=%d", prefix),
entry("ADDRESS=%s", ipaddress.c_str()),
entry("GATEWAY=%s", gateway.c_str()),
entry("VLANID=%d", vlanID),
entry("IPSRC=%d", channelConfig.ipsrc));
commit<InternalFailure>();
rc = IPMI_CC_UNSPECIFIED_ERROR;
}
channelConfig.clear();
return rc;
}
ipmi_ret_t ipmi_get_channel_access(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
auto requestData = reinterpret_cast<const GetChannelAccessRequest*>
(request);
std::vector<uint8_t> outPayload(sizeof(GetChannelAccessResponse));
auto responseData = reinterpret_cast<GetChannelAccessResponse*>
(outPayload.data());
// Channel 1 is arbitrarily assigned to ETH0 channel
constexpr auto channelOne = 0x01;
/*
* The value Eh is used as a way to identify the current channel that
* the command is being received from.
*/
constexpr auto channelE = 0x0E;
if (requestData->channelNumber != channelOne &&
requestData->channelNumber != channelE)
{
*data_len = 0;
return IPMI_CC_INVALID_FIELD_REQUEST;
}
/*
* [7:6] - reserved
* [5] - 1b = Alerting disabled
* [4] - 1b = per message authentication disabled
* [3] - 0b = User level authentication enabled
* [2:0] - 2h = always available
*/
constexpr auto channelSetting = 0x32;
responseData->settings = channelSetting;
//Defaulting the channel privilege to administrator level.
responseData->privilegeLimit = PRIVILEGE_ADMIN;
*data_len = outPayload.size();
memcpy(response, outPayload.data(), *data_len);
return IPMI_CC_OK;
}
// ATTENTION: This ipmi function is very hardcoded on purpose
// OpenBMC does not fully support IPMI. This command is useful
// to have around because it enables testing of interfaces with
// the IPMI tool.
#define GET_CHANNEL_INFO_CHANNEL_OFFSET 0
// IPMI Table 6-2
#define IPMI_CHANNEL_TYPE_IPMB 1
// IPMI Table 6-3
#define IPMI_CHANNEL_MEDIUM_TYPE_OTHER 6
ipmi_ret_t ipmi_app_channel_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_OK;
uint8_t resp[] = {
1,
IPMI_CHANNEL_MEDIUM_TYPE_OTHER,
IPMI_CHANNEL_TYPE_IPMB,
1,0x41,0xA7,0x00,0,0};
uint8_t *p = (uint8_t*) request;
printf("IPMI APP GET CHANNEL INFO\n");
// The supported channels numbers are 1 and 8.
// Channel Number E is used as way to identify the current channel
// that the command is being is received from.
if (*p == 0xe || *p == 1 || *p == 8) {
*data_len = sizeof(resp);
memcpy(response, resp, *data_len);
} else {
rc = IPMI_CC_PARM_OUT_OF_RANGE;
*data_len = 0;
}
return rc;
}