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#pragma once
#include <memory>
#include <vector>
namespace message
{
enum class PayloadType : uint8_t
{
IPMI = 0x00,
SOL = 0x01,
OPEN_SESSION_REQUEST = 0x10,
OPEN_SESSION_RESPONSE = 0x11,
RAKP1 = 0x12,
RAKP2 = 0x13,
RAKP3 = 0x14,
RAKP4 = 0x15,
INVALID = 0xFF,
};
/**
* @struct Message
*
* IPMI message is data encapsulated in an IPMI Session packet. The IPMI
* Session packets are encapsulated in RMCP packets, which are encapsulated in
* UDP datagrams. Refer Section 13.5 of IPMI specification(IPMI Messages
* Encapsulation Under RMCP). IPMI payload is a special class of data
* encapsulated in an IPMI session packet.
*/
struct Message
{
static constexpr uint32_t MESSAGE_INVALID_SESSION_ID = 0xBADBADFF;
Message() :
payloadType(PayloadType::INVALID),
rcSessionID(Message::MESSAGE_INVALID_SESSION_ID),
bmcSessionID(Message::MESSAGE_INVALID_SESSION_ID)
{
}
~Message() = default;
Message(const Message&) = default;
Message& operator=(const Message&) = default;
Message(Message&&) = default;
Message& operator=(Message&&) = default;
bool isPacketEncrypted; // Message's Encryption Status
bool isPacketAuthenticated; // Message's Authentication Status
PayloadType payloadType; // Type of message payload (IPMI,SOL ..etc)
uint32_t rcSessionID; // Remote Client's Session ID
uint32_t bmcSessionID; // BMC's session ID
uint32_t sessionSeqNum; // Session Sequence Number
/** @brief Message payload
*
* “Payloads” are a capability specified for RMCP+ that enable an IPMI
* session to carry types of traffic that are in addition to IPMI Messages.
* Payloads can be ‘standard’ or ‘OEM’.Standard payload types include IPMI
* Messages, messages for session setup under RMCP+, and the payload for
* the “Serial Over LAN” capability introduced in IPMI v2.0.
*/
std::vector<uint8_t> payload;
};
namespace LAN
{
constexpr uint8_t requesterBMCAddress = 0x20;
constexpr uint8_t responderBMCAddress = 0x81;
namespace header
{
/**
* @struct IPMI LAN Message Request Header
*/
struct Request
{
uint8_t rsaddr;
uint8_t netfn;
uint8_t cs;
uint8_t rqaddr;
uint8_t rqseq;
uint8_t cmd;
} __attribute__((packed));
/**
* @struct IPMI LAN Message Response Header
*/
struct Response
{
uint8_t rqaddr;
uint8_t netfn;
uint8_t cs;
uint8_t rsaddr;
uint8_t rqseq;
uint8_t cmd;
} __attribute__((packed));
} // namespace header
namespace trailer
{
/**
* @struct IPMI LAN Message Trailer
*/
struct Request
{
uint8_t checksum;
} __attribute__((packed));
using Response = Request;
} // namespace trailer
} // namespace LAN
} // namespace message
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