XMAC_REG_PFC_CTRL_HI
REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI, pfc1_val);
pfc_ctrl = REG_RD(cb, xmac_base + XMAC_REG_PFC_CTRL_HI);
REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI,
REG_WR(cb, xmac_base + XMAC_REG_PFC_CTRL_HI,