sw_cfg
u32 sw_cfg = ptp->ptp_cfg;
seq_printf(s, "sw_cfg: %#x, hw_cfg: %#x\n", sw_cfg, hw_cfg);
sw_cfg(hw, KS8842_SWITCH_CTRL_2_OFFSET, MULTICAST_STORM_DISABLE, 1);
sw_cfg(hw, KS8842_SWITCH_CTRL_2_OFFSET, SWITCH_MIRROR_RX_TX, set);
sw_cfg(hw, KS8842_SWITCH_CTRL_3_OFFSET, SWITCH_REPLACE_NULL_VID, set);
sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET,
sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET,
sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET,
sw_cfg(hw, KS8842_SWITCH_CTRL_1_OFFSET,