BUF_P_RSRV_I
ocelot_wm_write(ocelot, BUF_P_RSRV_I(port), 0);
*buf_rsrv_i += ocelot_wm_read(ocelot, BUF_P_RSRV_I(port));
wm_index = BUF_P_RSRV_I(port);
wm_index = BUF_P_RSRV_I(port);
ocelot_wm_status(ocelot, BUF_P_RSRV_I(port),
wm_index = BUF_P_RSRV_I(port);