velocity_rd_info
struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]);
struct velocity_rd_info *rd_info = &(vptr->rx.info[i]);
vptr->rx.info = kzalloc_objs(struct velocity_rd_info,
struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]);
struct velocity_rd_info *info; /* It's an array */