ib_path_bits_t
ib_path_bits_t wc_opaque4;
ib_path_bits_t rip_slid_bits; /* SLID path bits, SWG_0033 errata */
ib_path_bits_t reth_slid_bits; /* SLID path bits, SWG_0033 errata */
ib_path_bits_t av_opaque3;
ib_path_bits_t prim_src_path_bits;
ib_path_bits_t alt_src_path_bits;