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