IB_DEFAULT_GID_PREFIX 99 drivers/infiniband/hw/hfi1/verbs.h #define IB_DEFAULT_GID_PREFIX cpu_to_be64(0xfe80000000000000ULL) IB_DEFAULT_GID_PREFIX 81 drivers/infiniband/hw/qib/qib_verbs.h #define IB_DEFAULT_GID_PREFIX cpu_to_be64(0xfe80000000000000ULL)