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#ifndef _IPXE_IPOIB_H
#define _IPXE_IPOIB_H
/** @file
*
* IP over Infiniband
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/if_arp.h>
#include <ipxe/infiniband.h>
/** IPoIB MAC address length */
#define IPOIB_ALEN 20
/** An IPoIB MAC address */
struct ipoib_mac {
/** Queue pair number
*
* MSB indicates support for IPoIB "connected mode". Lower 24
* bits are the QPN.
*/
uint32_t flags__qpn;
/** Port GID */
union ib_gid gid;
} __attribute__ (( packed ));
/** IPoIB link-layer header length */
#define IPOIB_HLEN 4
/** IPoIB link-layer header */
struct ipoib_hdr {
/** Network-layer protocol */
uint16_t proto;
/** Reserved, must be zero */
uint16_t reserved;
} __attribute__ (( packed ));
/** GUID mask used for constructing eIPoIB Local Ethernet MAC address (LEMAC) */
#define IPOIB_GUID_MASK 0xe7
/** eIPoIB Remote Ethernet MAC address
*
* An eIPoIB REMAC address is an Ethernet-like (6 byte) link-layer
* pseudo-address used to look up a full IPoIB link-layer address.
*/
struct ipoib_remac {
/** Remote QPN
*
* Must be ORed with EIPOIB_QPN_LA so that eIPoIB REMAC
* addresses are considered as locally-assigned Ethernet MAC
* addreses.
*/
uint32_t qpn;
/** Remote LID */
uint16_t lid;
} __attribute__ (( packed ));
/** eIPoIB REMAC locally-assigned address indicator */
#define EIPOIB_QPN_LA 0x02000000UL
extern const char * ipoib_ntoa ( const void *ll_addr );
extern struct net_device * alloc_ipoibdev ( size_t priv_size );
extern struct net_device * ipoib_netdev ( struct ib_device *ibdev );
#endif /* _IPXE_IPOIB_H */
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