+static int cxgb4_ieee_read_ets(struct net_device *dev, struct ieee_ets *ets,
+ int local)
+{
+ struct port_info *pi = netdev2pinfo(dev);
+ struct port_dcb_info *dcb = &pi->dcb;
+ struct adapter *adap = pi->adapter;
+ uint32_t tc_info;
+ struct fw_port_cmd pcmd;
+ int i, bwg, err;
+
+ if (!(dcb->msgs & (CXGB4_DCB_FW_PGID | CXGB4_DCB_FW_PGRATE)))
+ return 0;
+
+ ets->ets_cap = dcb->pg_num_tcs_supported;
+
+ if (local) {
+ ets->willing = 1;
+ INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
+ } else {
+ INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
+ }
+
+ pcmd.u.dcb.pgid.type = FW_PORT_DCB_TYPE_PGID;
+ err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
+ if (err != FW_PORT_DCB_CFG_SUCCESS) {
+ dev_err(adap->pdev_dev, "DCB read PGID failed with %d\n", -err);
+ return err;
+ }
+
+ tc_info = be32_to_cpu(pcmd.u.dcb.pgid.pgid);
+
+ if (local)
+ INIT_PORT_DCB_READ_LOCAL_CMD(pcmd, pi->port_id);
+ else
+ INIT_PORT_DCB_READ_PEER_CMD(pcmd, pi->port_id);
+
+ pcmd.u.dcb.pgrate.type = FW_PORT_DCB_TYPE_PGRATE;
+ err = t4_wr_mbox(adap, adap->mbox, &pcmd, sizeof(pcmd), &pcmd);
+ if (err != FW_PORT_DCB_CFG_SUCCESS) {
+ dev_err(adap->pdev_dev, "DCB read PGRATE failed with %d\n",
+ -err);
+ return err;
+ }
+
+ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) {
+ bwg = (tc_info >> ((7 - i) * 4)) & 0xF;
+ ets->prio_tc[i] = bwg;
+ ets->tc_tx_bw[i] = pcmd.u.dcb.pgrate.pgrate[i];
+ ets->tc_rx_bw[i] = ets->tc_tx_bw[i];
+ ets->tc_tsa[i] = pcmd.u.dcb.pgrate.tsa[i];
+ }
+
+ return 0;
+}
+
+static int cxgb4_ieee_get_ets(struct net_device *dev, struct ieee_ets *ets)
+{
+ return cxgb4_ieee_read_ets(dev, ets, 1);
+}
+
+/* We reuse this for peer PFC as well, as we can't have it enabled one way */
+static int cxgb4_ieee_get_pfc(struct net_device *dev, struct ieee_pfc *pfc)
+{
+ struct port_info *pi = netdev2pinfo(dev);
+ struct port_dcb_info *dcb = &pi->dcb;
+
+ memset(pfc, 0, sizeof(struct ieee_pfc));
+
+ if (!(dcb->msgs & CXGB4_DCB_FW_PFC))
+ return 0;
+
+ pfc->pfc_cap = dcb->pfc_num_tcs_supported;
+ pfc->pfc_en = bitswap_1(dcb->pfcen);
+
+ return 0;
+}
+
+static int cxgb4_ieee_peer_ets(struct net_device *dev, struct ieee_ets *ets)
+{
+ return cxgb4_ieee_read_ets(dev, ets, 0);
+}
+