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#ifndef _IPXE_FCOE_H
#define _IPXE_FCOE_H
/**
* @file
*
* Fibre Channel over Ethernet
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <stdint.h>
#include <ipxe/fc.h>
#include <ipxe/if_ether.h>
/** An FCoE name */
union fcoe_name {
/** Fibre Channel name */
struct fc_name fc;
/** FCoE name */
struct {
/** Naming authority */
uint16_t authority;
/** MAC address */
uint8_t mac[ETH_ALEN];
} __attribute__ (( packed )) fcoe;
};
/** IEEE 48-bit address */
#define FCOE_AUTHORITY_IEEE 0x1000
/** IEEE extended */
#define FCOE_AUTHORITY_IEEE_EXTENDED 0x2000
/** An FCoE MAC address prefix (FC-MAP) */
struct fcoe_map {
uint8_t bytes[3];
} __attribute__ (( packed ));
/** An FCoE (fabric-assigned) MAC address */
struct fcoe_mac {
/** MAC address prefix */
struct fcoe_map map;
/** Port ID */
struct fc_port_id port_id;
} __attribute__ (( packed ));
/** An FCoE header */
struct fcoe_header {
/** FCoE frame version */
uint8_t version;
/** Reserved */
uint8_t reserved[12];
/** Start of Frame marker */
uint8_t sof;
} __attribute__ (( packed ));
/** FCoE frame version */
#define FCOE_FRAME_VER 0x00
/** Start of Frame marker values */
enum fcoe_sof {
FCOE_SOF_F = 0x28, /**< Start of Frame Class F */
FCOE_SOF_I2 = 0x2d, /**< Start of Frame Initiate Class 2 */
FCOE_SOF_N2 = 0x35, /**< Start of Frame Normal Class 2 */
FCOE_SOF_I3 = 0x2e, /**< Start of Frame Initiate Class 3 */
FCOE_SOF_N3 = 0x36, /**< Start of Frame Normal Class 3 */
};
/** An FCoE footer */
struct fcoe_footer {
/** CRC */
uint32_t crc;
/** End of frame marker */
uint8_t eof;
/** Reserved */
uint8_t reserved[3];
} __attribute__ (( packed ));
/** End of Frame marker value */
enum fcoe_eof {
FCOE_EOF_N = 0x41, /**< End of Frame Normal */
FCOE_EOF_T = 0x42, /**< End of Frame Terminate */
FCOE_EOF_NI = 0x49, /**< End of Frame Invalid */
FCOE_EOF_A = 0x50, /**< End of Frame Abort */
};
/** FCoE VLAN priority */
#define FCOE_VLAN_PRIORITY 3
#endif /* _IPXE_FCOE_H */
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