M_RT_DIRMAP_A
return 2 * brcms_b_read_shm(wlc_hw, M_RT_DIRMAP_A + (plcp_rate * 2));
dir_table = is_ofdm_rate(basic_rate) ? M_RT_DIRMAP_A : M_RT_DIRMAP_B;
table_ptr = M_RT_DIRMAP_A;