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