SRC_REG_LASTFREE0
ecore_wr_64(pdev, SRC_REG_LASTFREE0 + port*16,
REG_WR_IND(pdev, (PORT_ID(pdev) ? SRC_REG_LASTFREE1 : SRC_REG_LASTFREE0),src_addr.as_u32.low);
REG_WR_IND(pdev, (PORT_ID(pdev) ? SRC_REG_LASTFREE1 : SRC_REG_LASTFREE0)+4,src_addr.as_u32.high);