SRAM_READ_FIELD_2
pktlen = SRAM_READ_FIELD_2(sc, ccs, ray_cmd_rx, c_pktlen);
bufp = SRAM_READ_FIELD_2(sc, ccs, ray_cmd_rx, c_bufp);
len = SRAM_READ_FIELD_2(sc, ccs, ray_cmd_rx, c_len);
SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_mrx_overflow);
SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_mrx_overflow);
SRAM_READ_FIELD_2(sc, csc, ray_csc, csc_rx_hcksum);