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src/include/ipxe/ipoib.h
67 строк
2 KB
Michael Brown
[ipoib] Allow external code to identify IPoIB network devices
20 мар 2016, 12:22
20 мар 2016, 12:22
750a2ef
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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 */