17113afc8SEmmanuel Vadot /* 27113afc8SEmmanuel Vadot * AMD 10Gb Ethernet driver 37113afc8SEmmanuel Vadot * 47113afc8SEmmanuel Vadot * This file is available to you under your choice of the following two 57113afc8SEmmanuel Vadot * licenses: 67113afc8SEmmanuel Vadot * 77113afc8SEmmanuel Vadot * License 1: GPLv2 87113afc8SEmmanuel Vadot * 97113afc8SEmmanuel Vadot * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. 107113afc8SEmmanuel Vadot * 117113afc8SEmmanuel Vadot * This file is free software; you may copy, redistribute and/or modify 127113afc8SEmmanuel Vadot * it under the terms of the GNU General Public License as published by 137113afc8SEmmanuel Vadot * the Free Software Foundation, either version 2 of the License, or (at 147113afc8SEmmanuel Vadot * your option) any later version. 157113afc8SEmmanuel Vadot * 167113afc8SEmmanuel Vadot * This file is distributed in the hope that it will be useful, but 177113afc8SEmmanuel Vadot * WITHOUT ANY WARRANTY; without even the implied warranty of 187113afc8SEmmanuel Vadot * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 197113afc8SEmmanuel Vadot * General Public License for more details. 207113afc8SEmmanuel Vadot * 217113afc8SEmmanuel Vadot * You should have received a copy of the GNU General Public License 227113afc8SEmmanuel Vadot * along with this program. If not, see <http://www.gnu.org/licenses/>. 237113afc8SEmmanuel Vadot * 247113afc8SEmmanuel Vadot * This file incorporates work covered by the following copyright and 257113afc8SEmmanuel Vadot * permission notice: 267113afc8SEmmanuel Vadot * The Synopsys DWC ETHER XGMAC Software Driver and documentation 277113afc8SEmmanuel Vadot * (hereinafter "Software") is an unsupported proprietary work of Synopsys, 287113afc8SEmmanuel Vadot * Inc. unless otherwise expressly agreed to in writing between Synopsys 297113afc8SEmmanuel Vadot * and you. 307113afc8SEmmanuel Vadot * 317113afc8SEmmanuel Vadot * The Software IS NOT an item of Licensed Software or Licensed Product 327113afc8SEmmanuel Vadot * under any End User Software License Agreement or Agreement for Licensed 337113afc8SEmmanuel Vadot * Product with Synopsys or any supplement thereto. Permission is hereby 347113afc8SEmmanuel Vadot * granted, free of charge, to any person obtaining a copy of this software 357113afc8SEmmanuel Vadot * annotated with this license and the Software, to deal in the Software 367113afc8SEmmanuel Vadot * without restriction, including without limitation the rights to use, 377113afc8SEmmanuel Vadot * copy, modify, merge, publish, distribute, sublicense, and/or sell copies 387113afc8SEmmanuel Vadot * of the Software, and to permit persons to whom the Software is furnished 397113afc8SEmmanuel Vadot * to do so, subject to the following conditions: 407113afc8SEmmanuel Vadot * 417113afc8SEmmanuel Vadot * The above copyright notice and this permission notice shall be included 427113afc8SEmmanuel Vadot * in all copies or substantial portions of the Software. 437113afc8SEmmanuel Vadot * 447113afc8SEmmanuel Vadot * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" 457113afc8SEmmanuel Vadot * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 467113afc8SEmmanuel Vadot * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 477113afc8SEmmanuel Vadot * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS 487113afc8SEmmanuel Vadot * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 497113afc8SEmmanuel Vadot * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 507113afc8SEmmanuel Vadot * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 517113afc8SEmmanuel Vadot * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 527113afc8SEmmanuel Vadot * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 537113afc8SEmmanuel Vadot * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 547113afc8SEmmanuel Vadot * THE POSSIBILITY OF SUCH DAMAGE. 557113afc8SEmmanuel Vadot * 567113afc8SEmmanuel Vadot * 577113afc8SEmmanuel Vadot * License 2: Modified BSD 587113afc8SEmmanuel Vadot * 597113afc8SEmmanuel Vadot * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. 607113afc8SEmmanuel Vadot * All rights reserved. 617113afc8SEmmanuel Vadot * 627113afc8SEmmanuel Vadot * Redistribution and use in source and binary forms, with or without 637113afc8SEmmanuel Vadot * modification, are permitted provided that the following conditions are met: 647113afc8SEmmanuel Vadot * * Redistributions of source code must retain the above copyright 657113afc8SEmmanuel Vadot * notice, this list of conditions and the following disclaimer. 667113afc8SEmmanuel Vadot * * Redistributions in binary form must reproduce the above copyright 677113afc8SEmmanuel Vadot * notice, this list of conditions and the following disclaimer in the 687113afc8SEmmanuel Vadot * documentation and/or other materials provided with the distribution. 697113afc8SEmmanuel Vadot * * Neither the name of Advanced Micro Devices, Inc. nor the 707113afc8SEmmanuel Vadot * names of its contributors may be used to endorse or promote products 717113afc8SEmmanuel Vadot * derived from this software without specific prior written permission. 727113afc8SEmmanuel Vadot * 737113afc8SEmmanuel Vadot * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 747113afc8SEmmanuel Vadot * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 757113afc8SEmmanuel Vadot * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 767113afc8SEmmanuel Vadot * ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY 777113afc8SEmmanuel Vadot * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 787113afc8SEmmanuel Vadot * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 797113afc8SEmmanuel Vadot * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 807113afc8SEmmanuel Vadot * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 817113afc8SEmmanuel Vadot * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 827113afc8SEmmanuel Vadot * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 837113afc8SEmmanuel Vadot * 847113afc8SEmmanuel Vadot * This file incorporates work covered by the following copyright and 857113afc8SEmmanuel Vadot * permission notice: 867113afc8SEmmanuel Vadot * The Synopsys DWC ETHER XGMAC Software Driver and documentation 877113afc8SEmmanuel Vadot * (hereinafter "Software") is an unsupported proprietary work of Synopsys, 887113afc8SEmmanuel Vadot * Inc. unless otherwise expressly agreed to in writing between Synopsys 897113afc8SEmmanuel Vadot * and you. 907113afc8SEmmanuel Vadot * 917113afc8SEmmanuel Vadot * The Software IS NOT an item of Licensed Software or Licensed Product 927113afc8SEmmanuel Vadot * under any End User Software License Agreement or Agreement for Licensed 937113afc8SEmmanuel Vadot * Product with Synopsys or any supplement thereto. Permission is hereby 947113afc8SEmmanuel Vadot * granted, free of charge, to any person obtaining a copy of this software 957113afc8SEmmanuel Vadot * annotated with this license and the Software, to deal in the Software 967113afc8SEmmanuel Vadot * without restriction, including without limitation the rights to use, 977113afc8SEmmanuel Vadot * copy, modify, merge, publish, distribute, sublicense, and/or sell copies 987113afc8SEmmanuel Vadot * of the Software, and to permit persons to whom the Software is furnished 997113afc8SEmmanuel Vadot * to do so, subject to the following conditions: 1007113afc8SEmmanuel Vadot * 1017113afc8SEmmanuel Vadot * The above copyright notice and this permission notice shall be included 1027113afc8SEmmanuel Vadot * in all copies or substantial portions of the Software. 1037113afc8SEmmanuel Vadot * 1047113afc8SEmmanuel Vadot * THIS SOFTWARE IS BEING DISTRIBUTED BY SYNOPSYS SOLELY ON AN "AS IS" 1057113afc8SEmmanuel Vadot * BASIS AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 1067113afc8SEmmanuel Vadot * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 1077113afc8SEmmanuel Vadot * PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. IN NO EVENT SHALL SYNOPSYS 1087113afc8SEmmanuel Vadot * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1097113afc8SEmmanuel Vadot * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1107113afc8SEmmanuel Vadot * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1117113afc8SEmmanuel Vadot * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 1127113afc8SEmmanuel Vadot * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1137113afc8SEmmanuel Vadot * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 1147113afc8SEmmanuel Vadot * THE POSSIBILITY OF SUCH DAMAGE. 1157113afc8SEmmanuel Vadot */ 1167113afc8SEmmanuel Vadot #include <sys/cdefs.h> 1177113afc8SEmmanuel Vadot #include "xgbe.h" 1187113afc8SEmmanuel Vadot 1197113afc8SEmmanuel Vadot #if 0 1207113afc8SEmmanuel Vadot static int xgbe_dcb_ieee_getets(struct xgbe_prv_data *pdata, 1217113afc8SEmmanuel Vadot struct ieee_ets *ets) 1227113afc8SEmmanuel Vadot { 1237113afc8SEmmanuel Vadot /* Set number of supported traffic classes */ 1247113afc8SEmmanuel Vadot ets->ets_cap = pdata->hw_feat.tc_cnt; 1257113afc8SEmmanuel Vadot 1267113afc8SEmmanuel Vadot if (pdata->ets) { 1277113afc8SEmmanuel Vadot ets->cbs = pdata->ets->cbs; 1287113afc8SEmmanuel Vadot memcpy(ets->tc_tx_bw, pdata->ets->tc_tx_bw, 1297113afc8SEmmanuel Vadot sizeof(ets->tc_tx_bw)); 1307113afc8SEmmanuel Vadot memcpy(ets->tc_tsa, pdata->ets->tc_tsa, 1317113afc8SEmmanuel Vadot sizeof(ets->tc_tsa)); 1327113afc8SEmmanuel Vadot memcpy(ets->prio_tc, pdata->ets->prio_tc, 1337113afc8SEmmanuel Vadot sizeof(ets->prio_tc)); 1347113afc8SEmmanuel Vadot } 1357113afc8SEmmanuel Vadot 1367113afc8SEmmanuel Vadot return (0); 1377113afc8SEmmanuel Vadot } 1387113afc8SEmmanuel Vadot 1397113afc8SEmmanuel Vadot static int xgbe_dcb_ieee_setets(struct xgbe_prv_data *pdata, 1407113afc8SEmmanuel Vadot struct ieee_ets *ets) 1417113afc8SEmmanuel Vadot { 1427113afc8SEmmanuel Vadot unsigned int i, tc_ets, tc_ets_weight; 1437113afc8SEmmanuel Vadot u8 max_tc = 0; 1447113afc8SEmmanuel Vadot 1457113afc8SEmmanuel Vadot tc_ets = 0; 1467113afc8SEmmanuel Vadot tc_ets_weight = 0; 1477113afc8SEmmanuel Vadot for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { 1487113afc8SEmmanuel Vadot axgbe_printf(1, 1497113afc8SEmmanuel Vadot "TC%u: tx_bw=%hhu, rx_bw=%hhu, tsa=%hhu\n", i, 1507113afc8SEmmanuel Vadot ets->tc_tx_bw[i], ets->tc_rx_bw[i], 1517113afc8SEmmanuel Vadot ets->tc_tsa[i]); 1527113afc8SEmmanuel Vadot axgbe_printf(1, "PRIO%u: TC=%hhu\n", i, 1537113afc8SEmmanuel Vadot ets->prio_tc[i]); 1547113afc8SEmmanuel Vadot 1557113afc8SEmmanuel Vadot max_tc = max_t(u8, max_tc, ets->prio_tc[i]); 1567113afc8SEmmanuel Vadot if ((ets->tc_tx_bw[i] || ets->tc_tsa[i])) 1577113afc8SEmmanuel Vadot max_tc = max_t(u8, max_tc, i); 1587113afc8SEmmanuel Vadot 1597113afc8SEmmanuel Vadot switch (ets->tc_tsa[i]) { 1607113afc8SEmmanuel Vadot case IEEE_8021QAZ_TSA_STRICT: 1617113afc8SEmmanuel Vadot break; 1627113afc8SEmmanuel Vadot case IEEE_8021QAZ_TSA_ETS: 1637113afc8SEmmanuel Vadot tc_ets = 1; 1647113afc8SEmmanuel Vadot tc_ets_weight += ets->tc_tx_bw[i]; 1657113afc8SEmmanuel Vadot break; 1667113afc8SEmmanuel Vadot default: 1677113afc8SEmmanuel Vadot axgbe_error( 1687113afc8SEmmanuel Vadot "unsupported TSA algorithm (%hhu)\n", 1697113afc8SEmmanuel Vadot ets->tc_tsa[i]); 1707113afc8SEmmanuel Vadot return (-EINVAL); 1717113afc8SEmmanuel Vadot } 1727113afc8SEmmanuel Vadot } 1737113afc8SEmmanuel Vadot 1747113afc8SEmmanuel Vadot /* Check maximum traffic class requested */ 1757113afc8SEmmanuel Vadot if (max_tc >= pdata->hw_feat.tc_cnt) { 1767113afc8SEmmanuel Vadot axgbe_error( 1777113afc8SEmmanuel Vadot "exceeded number of supported traffic classes\n"); 1787113afc8SEmmanuel Vadot return (-EINVAL); 1797113afc8SEmmanuel Vadot } 1807113afc8SEmmanuel Vadot 1817113afc8SEmmanuel Vadot /* Weights must add up to 100% */ 1827113afc8SEmmanuel Vadot if (tc_ets && (tc_ets_weight != 100)) { 1837113afc8SEmmanuel Vadot axgbe_error( 1847113afc8SEmmanuel Vadot "sum of ETS algorithm weights is not 100 (%u)\n", 1857113afc8SEmmanuel Vadot tc_ets_weight); 1867113afc8SEmmanuel Vadot return (-EINVAL); 1877113afc8SEmmanuel Vadot } 1887113afc8SEmmanuel Vadot 1897113afc8SEmmanuel Vadot if (!pdata->ets) { 1907113afc8SEmmanuel Vadot pdata->ets = (struct ieee_ets *)malloc(sizeof(struct ieee_ets), 1917113afc8SEmmanuel Vadot M_AXGBE, M_NOWAIT); //TODO - when to free? 1927113afc8SEmmanuel Vadot 1937113afc8SEmmanuel Vadot if (!pdata->ets) 1947113afc8SEmmanuel Vadot return (-ENOMEM); 1957113afc8SEmmanuel Vadot } 1967113afc8SEmmanuel Vadot 1977113afc8SEmmanuel Vadot pdata->num_tcs = max_tc + 1; 1987113afc8SEmmanuel Vadot memcpy(pdata->ets, ets, sizeof(*pdata->ets)); 1997113afc8SEmmanuel Vadot 2007113afc8SEmmanuel Vadot pdata->hw_if.config_dcb_tc(pdata); 2017113afc8SEmmanuel Vadot 2027113afc8SEmmanuel Vadot return (0); 2037113afc8SEmmanuel Vadot } 2047113afc8SEmmanuel Vadot 2057113afc8SEmmanuel Vadot static int xgbe_dcb_ieee_getpfc(struct xgbe_prv_data *pdata, 2067113afc8SEmmanuel Vadot struct ieee_pfc *pfc) 2077113afc8SEmmanuel Vadot { 2087113afc8SEmmanuel Vadot 2097113afc8SEmmanuel Vadot /* Set number of supported PFC traffic classes */ 2107113afc8SEmmanuel Vadot pfc->pfc_cap = pdata->hw_feat.tc_cnt; 2117113afc8SEmmanuel Vadot 2127113afc8SEmmanuel Vadot if (pdata->pfc) { 2137113afc8SEmmanuel Vadot pfc->pfc_en = pdata->pfc->pfc_en; 2147113afc8SEmmanuel Vadot pfc->mbc = pdata->pfc->mbc; 2157113afc8SEmmanuel Vadot pfc->delay = pdata->pfc->delay; 2167113afc8SEmmanuel Vadot } 2177113afc8SEmmanuel Vadot 2187113afc8SEmmanuel Vadot return (0); 2197113afc8SEmmanuel Vadot } 2207113afc8SEmmanuel Vadot 2217113afc8SEmmanuel Vadot static int xgbe_dcb_ieee_setpfc(struct xgbe_prv_data *pdata, 2227113afc8SEmmanuel Vadot struct ieee_pfc *pfc) 2237113afc8SEmmanuel Vadot { 2247113afc8SEmmanuel Vadot 2257113afc8SEmmanuel Vadot axgbe_printf(1, 2267113afc8SEmmanuel Vadot "cap=%hhu, en=%#hhx, mbc=%hhu, delay=%d\n", 2277113afc8SEmmanuel Vadot pfc->pfc_cap, pfc->pfc_en, pfc->mbc, pfc->delay); 2287113afc8SEmmanuel Vadot 2297113afc8SEmmanuel Vadot /* Check PFC for supported number of traffic classes */ 2307113afc8SEmmanuel Vadot if (pfc->pfc_en & ~((1 << pdata->hw_feat.tc_cnt) - 1)) { 2317113afc8SEmmanuel Vadot axgbe_error( 2327113afc8SEmmanuel Vadot "PFC requested for unsupported traffic class\n"); 2337113afc8SEmmanuel Vadot return (-EINVAL); 2347113afc8SEmmanuel Vadot } 2357113afc8SEmmanuel Vadot 2367113afc8SEmmanuel Vadot if (!pdata->pfc) { 2377113afc8SEmmanuel Vadot pdata->pfc = (struct ieee_pfc *)malloc(sizeof(struct ieee_pfc), 2387113afc8SEmmanuel Vadot M_AXGBE, M_NOWAIT); //TODO - when to free? 2397113afc8SEmmanuel Vadot 2407113afc8SEmmanuel Vadot if (!pdata->pfc) 2417113afc8SEmmanuel Vadot return (-ENOMEM); 2427113afc8SEmmanuel Vadot } 2437113afc8SEmmanuel Vadot 2447113afc8SEmmanuel Vadot memcpy(pdata->pfc, pfc, sizeof(*pdata->pfc)); 2457113afc8SEmmanuel Vadot 2467113afc8SEmmanuel Vadot pdata->hw_if.config_dcb_pfc(pdata); 2477113afc8SEmmanuel Vadot 2487113afc8SEmmanuel Vadot return (0); 2497113afc8SEmmanuel Vadot } 2507113afc8SEmmanuel Vadot 2517113afc8SEmmanuel Vadot static u8 xgbe_dcb_getdcbx(struct xgbe_prv_data *pdata) 2527113afc8SEmmanuel Vadot { 2537113afc8SEmmanuel Vadot return (DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_IEEE); 2547113afc8SEmmanuel Vadot } 2557113afc8SEmmanuel Vadot 2567113afc8SEmmanuel Vadot static u8 xgbe_dcb_setdcbx(struct xgbe_prv_data *pdata, u8 dcbx) 2577113afc8SEmmanuel Vadot { 2587113afc8SEmmanuel Vadot u8 support = xgbe_dcb_getdcbx(pdata); 2597113afc8SEmmanuel Vadot 2607113afc8SEmmanuel Vadot axgbe_printf(1, "DCBX=%#hhx\n", dcbx); 2617113afc8SEmmanuel Vadot 2627113afc8SEmmanuel Vadot if (dcbx & ~support) 2637113afc8SEmmanuel Vadot return (1); 2647113afc8SEmmanuel Vadot 2657113afc8SEmmanuel Vadot if ((dcbx & support) != support) 2667113afc8SEmmanuel Vadot return (1); 2677113afc8SEmmanuel Vadot 2687113afc8SEmmanuel Vadot return (0); 2697113afc8SEmmanuel Vadot } 2707113afc8SEmmanuel Vadot #endif 271