MAC_TCR_SS_LEN
MAC_TCR_SS_POS, MAC_TCR_SS_LEN);
MAC_TCR_SS_LEN, 0x1);
MAC_TCR_SS_POS, MAC_TCR_SS_LEN);
MAC_TCR_SS_LEN, 0);
MAC_TCR_SS_POS, MAC_TCR_SS_LEN);
MAC_TCR_SS_LEN, 0x2);
MAC_TCR_SS_POS, MAC_TCR_SS_LEN);
MAC_TCR_SS_LEN, 0x3);