brcms_b_rate_shm_offset
entry_ptr = brcms_b_rate_shm_offset(wlc->hw, rate);
u16 brcms_b_rate_shm_offset(struct brcms_hardware *wlc_hw, u8 rate);
return brcms_b_rate_shm_offset(physhim->wlc_hw, rate);