DPDK logo

Elixir Cross Referencer

   1
   2
   3
   4
   5
   6
   7
   8
   9
  10
  11
  12
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24
  25
  26
  27
  28
  29
  30
  31
  32
  33
  34
  35
  36
  37
  38
  39
  40
  41
  42
  43
  44
  45
  46
  47
  48
  49
  50
  51
  52
  53
  54
  55
  56
  57
  58
  59
  60
  61
  62
  63
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73
  74
  75
  76
  77
  78
  79
  80
  81
  82
  83
  84
  85
  86
  87
  88
  89
  90
  91
  92
  93
  94
  95
  96
  97
  98
  99
 100
 101
 102
 103
 104
 105
 106
 107
 108
 109
 110
 111
 112
 113
 114
 115
 116
 117
 118
 119
 120
 121
 122
 123
 124
 125
 126
 127
 128
 129
 130
 131
 132
 133
 134
 135
 136
 137
 138
 139
 140
 141
 142
 143
 144
 145
 146
 147
 148
 149
 150
 151
 152
 153
 154
 155
 156
 157
 158
 159
 160
 161
 162
 163
 164
 165
 166
 167
 168
 169
 170
 171
 172
 173
 174
 175
 176
 177
 178
 179
 180
 181
 182
 183
 184
 185
 186
 187
 188
 189
 190
 191
 192
 193
 194
 195
 196
 197
 198
 199
 200
 201
 202
 203
 204
 205
 206
 207
 208
 209
 210
 211
 212
 213
 214
 215
 216
 217
 218
 219
 220
 221
 222
 223
 224
 225
 226
 227
 228
 229
 230
 231
 232
 233
 234
 235
 236
 237
 238
 239
 240
 241
 242
 243
 244
 245
 246
 247
 248
 249
 250
 251
 252
 253
 254
 255
 256
 257
 258
 259
 260
 261
 262
 263
 264
 265
 266
 267
 268
 269
 270
 271
 272
 273
 274
 275
 276
 277
 278
 279
 280
 281
 282
 283
 284
 285
 286
 287
 288
 289
 290
 291
 292
 293
 294
 295
 296
 297
 298
 299
 300
 301
 302
 303
 304
 305
 306
 307
 308
 309
 310
 311
 312
 313
 314
 315
 316
 317
 318
 319
 320
 321
 322
 323
 324
 325
 326
 327
 328
 329
 330
 331
 332
 333
 334
 335
 336
 337
 338
 339
 340
 341
 342
 343
 344
 345
 346
 347
 348
 349
 350
 351
 352
 353
 354
 355
 356
 357
 358
 359
 360
 361
 362
 363
 364
 365
 366
 367
 368
 369
 370
 371
 372
 373
 374
 375
 376
 377
 378
 379
 380
 381
 382
 383
 384
 385
 386
 387
 388
 389
 390
 391
 392
 393
 394
 395
 396
 397
 398
 399
 400
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410
 411
 412
 413
 414
 415
 416
 417
 418
 419
 420
 421
 422
 423
 424
 425
 426
 427
 428
 429
 430
 431
 432
 433
 434
 435
 436
 437
 438
 439
 440
 441
 442
 443
 444
 445
 446
 447
 448
 449
 450
 451
 452
 453
 454
 455
 456
 457
 458
 459
 460
 461
 462
 463
 464
 465
 466
 467
 468
 469
 470
 471
 472
 473
 474
 475
 476
 477
 478
 479
 480
 481
 482
 483
 484
 485
 486
 487
 488
 489
 490
 491
 492
 493
 494
 495
 496
 497
 498
 499
 500
 501
 502
 503
 504
 505
 506
 507
 508
 509
 510
 511
 512
 513
 514
 515
 516
 517
 518
 519
 520
 521
 522
 523
 524
 525
 526
 527
 528
 529
 530
 531
 532
 533
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544
 545
 546
 547
 548
 549
 550
 551
 552
 553
 554
 555
 556
 557
 558
 559
 560
 561
 562
 563
 564
 565
 566
 567
 568
 569
 570
 571
 572
 573
 574
 575
 576
 577
 578
 579
 580
 581
 582
 583
 584
 585
 586
 587
 588
 589
 590
 591
 592
 593
 594
 595
 596
 597
 598
 599
 600
 601
 602
 603
 604
 605
 606
 607
 608
 609
 610
 611
 612
 613
 614
 615
 616
 617
 618
 619
 620
 621
 622
 623
 624
 625
 626
 627
 628
 629
 630
 631
 632
 633
 634
 635
 636
 637
 638
 639
 640
 641
 642
 643
 644
 645
 646
 647
 648
 649
 650
 651
 652
 653
 654
 655
 656
 657
 658
 659
 660
 661
 662
 663
 664
 665
 666
 667
 668
 669
 670
 671
 672
 673
 674
 675
 676
 677
 678
 679
 680
 681
 682
 683
 684
 685
 686
 687
 688
 689
 690
 691
 692
 693
 694
 695
 696
 697
 698
 699
 700
 701
 702
 703
 704
 705
 706
 707
 708
 709
 710
 711
 712
 713
 714
 715
 716
 717
 718
 719
 720
 721
 722
 723
 724
 725
 726
 727
 728
 729
 730
 731
 732
 733
 734
 735
 736
 737
 738
 739
 740
 741
 742
 743
 744
 745
 746
 747
 748
 749
 750
 751
 752
 753
 754
 755
 756
 757
 758
 759
 760
 761
 762
 763
 764
 765
 766
 767
 768
 769
 770
 771
 772
 773
 774
 775
 776
 777
 778
 779
 780
 781
 782
 783
 784
 785
 786
 787
 788
 789
 790
 791
 792
 793
 794
 795
 796
 797
 798
 799
 800
 801
 802
 803
 804
 805
 806
 807
 808
 809
 810
 811
 812
 813
 814
 815
 816
 817
 818
 819
 820
 821
 822
 823
 824
 825
 826
 827
 828
 829
 830
 831
 832
 833
 834
 835
 836
 837
 838
 839
 840
 841
 842
 843
 844
 845
 846
 847
 848
 849
 850
 851
 852
 853
 854
 855
 856
 857
 858
 859
 860
 861
 862
 863
 864
 865
 866
 867
 868
 869
 870
 871
 872
 873
 874
 875
 876
 877
 878
 879
 880
 881
 882
 883
 884
 885
 886
 887
 888
 889
 890
 891
 892
 893
 894
 895
 896
 897
 898
 899
 900
 901
 902
 903
 904
 905
 906
 907
 908
 909
 910
 911
 912
 913
 914
 915
 916
 917
 918
 919
 920
 921
 922
 923
 924
 925
 926
 927
 928
 929
 930
 931
 932
 933
 934
 935
 936
 937
 938
 939
 940
 941
 942
 943
 944
 945
 946
 947
 948
 949
 950
 951
 952
 953
 954
 955
 956
 957
 958
 959
 960
 961
 962
 963
 964
 965
 966
 967
 968
 969
 970
 971
 972
 973
 974
 975
 976
 977
 978
 979
 980
 981
 982
 983
 984
 985
 986
 987
 988
 989
 990
 991
 992
 993
 994
 995
 996
 997
 998
 999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
/*-
 *   BSD LICENSE
 *
 *   Copyright(c) 2017 Marvell International Ltd.
 *   Copyright(c) 2017 Semihalf.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Semihalf nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <rte_ethdev.h>
#include <rte_kvargs.h>
#include <rte_log.h>
#include <rte_malloc.h>
#include <rte_bus_vdev.h>

/* Unluckily, container_of is defined by both DPDK and MUSDK,
 * we'll declare only one version.
 *
 * Note that it is not used in this PMD anyway.
 */
#ifdef container_of
#undef container_of
#endif

#include <drivers/mv_pp2.h>
#include <drivers/mv_pp2_bpool.h>
#include <drivers/mv_pp2_hif.h>

#include <fcntl.h>
#include <linux/ethtool.h>
#include <linux/sockios.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>

#include "mrvl_ethdev.h"
#include "mrvl_qos.h"

/* bitmask with reserved hifs */
#define MRVL_MUSDK_HIFS_RESERVED 0x0F
/* bitmask with reserved bpools */
#define MRVL_MUSDK_BPOOLS_RESERVED 0x07
/* bitmask with reserved kernel RSS tables */
#define MRVL_MUSDK_RSS_RESERVED 0x01
/* maximum number of available hifs */
#define MRVL_MUSDK_HIFS_MAX 9

/* prefetch shift */
#define MRVL_MUSDK_PREFETCH_SHIFT 2

/* TCAM has 25 entries reserved for uc/mc filter entries */
#define MRVL_MAC_ADDRS_MAX 25
#define MRVL_MATCH_LEN 16
#define MRVL_PKT_EFFEC_OFFS (MRVL_PKT_OFFS + MV_MH_SIZE)
/* Maximum allowable packet size */
#define MRVL_PKT_SIZE_MAX (10240 - MV_MH_SIZE)

#define MRVL_IFACE_NAME_ARG "iface"
#define MRVL_CFG_ARG "cfg"

#define MRVL_BURST_SIZE 64

#define MRVL_ARP_LENGTH 28

#define MRVL_COOKIE_ADDR_INVALID ~0ULL

#define MRVL_COOKIE_HIGH_ADDR_SHIFT	(sizeof(pp2_cookie_t) * 8)
#define MRVL_COOKIE_HIGH_ADDR_MASK	(~0ULL << MRVL_COOKIE_HIGH_ADDR_SHIFT)

/* Memory size (in bytes) for MUSDK dma buffers */
#define MRVL_MUSDK_DMA_MEMSIZE 41943040

static const char * const valid_args[] = {
	MRVL_IFACE_NAME_ARG,
	MRVL_CFG_ARG,
	NULL
};

static int used_hifs = MRVL_MUSDK_HIFS_RESERVED;
static struct pp2_hif *hifs[RTE_MAX_LCORE];
static int used_bpools[PP2_NUM_PKT_PROC] = {
	MRVL_MUSDK_BPOOLS_RESERVED,
	MRVL_MUSDK_BPOOLS_RESERVED
};

struct pp2_bpool *mrvl_port_to_bpool_lookup[RTE_MAX_ETHPORTS];
int mrvl_port_bpool_size[PP2_NUM_PKT_PROC][PP2_BPOOL_NUM_POOLS][RTE_MAX_LCORE];
uint64_t cookie_addr_high = MRVL_COOKIE_ADDR_INVALID;

/*
 * To use buffer harvesting based on loopback port shadow queue structure
 * was introduced for buffers information bookkeeping.
 *
 * Before sending the packet, related buffer information (pp2_buff_inf) is
 * stored in shadow queue. After packet is transmitted no longer used
 * packet buffer is released back to it's original hardware pool,
 * on condition it originated from interface.
 * In case it  was generated by application itself i.e: mbuf->port field is
 * 0xff then its released to software mempool.
 */
struct mrvl_shadow_txq {
	int head;           /* write index - used when sending buffers */
	int tail;           /* read index - used when releasing buffers */
	u16 size;           /* queue occupied size */
	u16 num_to_release; /* number of buffers sent, that can be released */
	struct buff_release_entry ent[MRVL_PP2_TX_SHADOWQ_SIZE]; /* q entries */
};

struct mrvl_rxq {
	struct mrvl_priv *priv;
	struct rte_mempool *mp;
	int queue_id;
	int port_id;
	int cksum_enabled;
	uint64_t bytes_recv;
	uint64_t drop_mac;
};

struct mrvl_txq {
	struct mrvl_priv *priv;
	int queue_id;
	int port_id;
	uint64_t bytes_sent;
};

/*
 * Every tx queue should have dedicated shadow tx queue.
 *
 * Ports assigned by DPDK might not start at zero or be continuous so
 * as a workaround define shadow queues for each possible port so that
 * we eventually fit somewhere.
 */
struct mrvl_shadow_txq shadow_txqs[RTE_MAX_ETHPORTS][RTE_MAX_LCORE];

/** Number of ports configured. */
int mrvl_ports_nb;
static int mrvl_lcore_first;
static int mrvl_lcore_last;

static inline int
mrvl_get_bpool_size(int pp2_id, int pool_id)
{
	int i;
	int size = 0;

	for (i = mrvl_lcore_first; i <= mrvl_lcore_last; i++)
		size += mrvl_port_bpool_size[pp2_id][pool_id][i];

	return size;
}

static inline int
mrvl_reserve_bit(int *bitmap, int max)
{
	int n = sizeof(*bitmap) * 8 - __builtin_clz(*bitmap);

	if (n >= max)
		return -1;

	*bitmap |= 1 << n;

	return n;
}

/**
 * Configure rss based on dpdk rss configuration.
 *
 * @param priv
 *   Pointer to private structure.
 * @param rss_conf
 *   Pointer to RSS configuration.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_configure_rss(struct mrvl_priv *priv, struct rte_eth_rss_conf *rss_conf)
{
	if (rss_conf->rss_key)
		RTE_LOG(WARNING, PMD, "Changing hash key is not supported\n");

	if (rss_conf->rss_hf == 0) {
		priv->ppio_params.inqs_params.hash_type = PP2_PPIO_HASH_T_NONE;
	} else if (rss_conf->rss_hf & ETH_RSS_IPV4) {
		priv->ppio_params.inqs_params.hash_type =
			PP2_PPIO_HASH_T_2_TUPLE;
	} else if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
		priv->ppio_params.inqs_params.hash_type =
			PP2_PPIO_HASH_T_5_TUPLE;
		priv->rss_hf_tcp = 1;
	} else if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) {
		priv->ppio_params.inqs_params.hash_type =
			PP2_PPIO_HASH_T_5_TUPLE;
		priv->rss_hf_tcp = 0;
	} else {
		return -EINVAL;
	}

	return 0;
}

/**
 * Ethernet device configuration.
 *
 * Prepare the driver for a given number of TX and RX queues and
 * configure RSS.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_dev_configure(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_NONE &&
	    dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
		RTE_LOG(INFO, PMD, "Unsupported rx multi queue mode %d\n",
			dev->data->dev_conf.rxmode.mq_mode);
		return -EINVAL;
	}

	if (!dev->data->dev_conf.rxmode.hw_strip_crc) {
		RTE_LOG(INFO, PMD,
			"L2 CRC stripping is always enabled in hw\n");
		dev->data->dev_conf.rxmode.hw_strip_crc = 1;
	}

	if (dev->data->dev_conf.rxmode.hw_vlan_strip) {
		RTE_LOG(INFO, PMD, "VLAN stripping not supported\n");
		return -EINVAL;
	}

	if (dev->data->dev_conf.rxmode.split_hdr_size) {
		RTE_LOG(INFO, PMD, "Split headers not supported\n");
		return -EINVAL;
	}

	if (dev->data->dev_conf.rxmode.enable_scatter) {
		RTE_LOG(INFO, PMD, "RX Scatter/Gather not supported\n");
		return -EINVAL;
	}

	if (dev->data->dev_conf.rxmode.enable_lro) {
		RTE_LOG(INFO, PMD, "LRO not supported\n");
		return -EINVAL;
	}

	if (dev->data->dev_conf.rxmode.jumbo_frame)
		dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
				 ETHER_HDR_LEN - ETHER_CRC_LEN;

	ret = mrvl_configure_rxqs(priv, dev->data->port_id,
				  dev->data->nb_rx_queues);
	if (ret < 0)
		return ret;

	priv->ppio_params.outqs_params.num_outqs = dev->data->nb_tx_queues;
	priv->ppio_params.maintain_stats = 1;
	priv->nb_rx_queues = dev->data->nb_rx_queues;

	if (dev->data->nb_rx_queues == 1 &&
	    dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS) {
		RTE_LOG(WARNING, PMD, "Disabling hash for 1 rx queue\n");
		priv->ppio_params.inqs_params.hash_type = PP2_PPIO_HASH_T_NONE;

		return 0;
	}

	return mrvl_configure_rss(priv,
				  &dev->data->dev_conf.rx_adv_conf.rss_conf);
}

/**
 * DPDK callback to change the MTU.
 *
 * Setting the MTU affects hardware MRU (packets larger than the MRU
 * will be dropped).
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param mtu
 *   New MTU.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	/* extra MV_MH_SIZE bytes are required for Marvell tag */
	uint16_t mru = mtu + MV_MH_SIZE + ETHER_HDR_LEN + ETHER_CRC_LEN;
	int ret;

	if (mtu < ETHER_MIN_MTU || mru > MRVL_PKT_SIZE_MAX)
		return -EINVAL;

	ret = pp2_ppio_set_mru(priv->ppio, mru);
	if (ret)
		return ret;

	return pp2_ppio_set_mtu(priv->ppio, mtu);
}

/**
 * DPDK callback to bring the link up.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_dev_set_link_up(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	ret = pp2_ppio_enable(priv->ppio);
	if (ret)
		return ret;

	/*
	 * mtu/mru can be updated if pp2_ppio_enable() was called at least once
	 * as pp2_ppio_enable() changes port->t_mode from default 0 to
	 * PP2_TRAFFIC_INGRESS_EGRESS.
	 *
	 * Set mtu to default DPDK value here.
	 */
	ret = mrvl_mtu_set(dev, dev->data->mtu);
	if (ret)
		pp2_ppio_disable(priv->ppio);

	dev->data->dev_link.link_status = ETH_LINK_UP;

	return ret;
}

/**
 * DPDK callback to bring the link down.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_dev_set_link_down(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	ret = pp2_ppio_disable(priv->ppio);
	if (ret)
		return ret;

	dev->data->dev_link.link_status = ETH_LINK_DOWN;

	return ret;
}

/**
 * DPDK callback to start the device.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 *
 * @return
 *   0 on success, negative errno value on failure.
 */
static int
mrvl_dev_start(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	char match[MRVL_MATCH_LEN];
	int ret;

	snprintf(match, sizeof(match), "ppio-%d:%d",
		 priv->pp_id, priv->ppio_id);
	priv->ppio_params.match = match;

	/*
	 * Calculate the maximum bpool size for refill feature to 1.5 of the
	 * configured size. In case the bpool size will exceed this value,
	 * superfluous buffers will be removed
	 */
	priv->bpool_max_size = priv->bpool_init_size +
			      (priv->bpool_init_size >> 1);
	/*
	 * Calculate the minimum bpool size for refill feature as follows:
	 * 2 default burst sizes multiply by number of rx queues.
	 * If the bpool size will be below this value, new buffers will
	 * be added to the pool.
	 */
	priv->bpool_min_size = priv->nb_rx_queues * MRVL_BURST_SIZE * 2;

	ret = pp2_ppio_init(&priv->ppio_params, &priv->ppio);
	if (ret)
		return ret;

	/*
	 * In case there are some some stale uc/mc mac addresses flush them
	 * here. It cannot be done during mrvl_dev_close() as port information
	 * is already gone at that point (due to pp2_ppio_deinit() in
	 * mrvl_dev_stop()).
	 */
	if (!priv->uc_mc_flushed) {
		ret = pp2_ppio_flush_mac_addrs(priv->ppio, 1, 1);
		if (ret) {
			RTE_LOG(ERR, PMD,
				"Failed to flush uc/mc filter list\n");
			goto out;
		}
		priv->uc_mc_flushed = 1;
	}

	if (!priv->vlan_flushed) {
		ret = pp2_ppio_flush_vlan(priv->ppio);
		if (ret) {
			RTE_LOG(ERR, PMD, "Failed to flush vlan list\n");
			/*
			 * TODO
			 * once pp2_ppio_flush_vlan() is supported jump to out
			 * goto out;
			 */
		}
		priv->vlan_flushed = 1;
	}

	/* For default QoS config, don't start classifier. */
	if (mrvl_qos_cfg) {
		ret = mrvl_start_qos_mapping(priv);
		if (ret) {
			pp2_ppio_deinit(priv->ppio);
			return ret;
		}
	}

	ret = mrvl_dev_set_link_up(dev);
	if (ret)
		goto out;

	return 0;
out:
	pp2_ppio_deinit(priv->ppio);
	return ret;
}

/**
 * Flush receive queues.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_flush_rx_queues(struct rte_eth_dev *dev)
{
	int i;

	RTE_LOG(INFO, PMD, "Flushing rx queues\n");
	for (i = 0; i < dev->data->nb_rx_queues; i++) {
		int ret, num;

		do {
			struct mrvl_rxq *q = dev->data->rx_queues[i];
			struct pp2_ppio_desc descs[MRVL_PP2_RXD_MAX];

			num = MRVL_PP2_RXD_MAX;
			ret = pp2_ppio_recv(q->priv->ppio,
					    q->priv->rxq_map[q->queue_id].tc,
					    q->priv->rxq_map[q->queue_id].inq,
					    descs, (uint16_t *)&num);
		} while (ret == 0 && num);
	}
}

/**
 * Flush transmit shadow queues.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_flush_tx_shadow_queues(struct rte_eth_dev *dev)
{
	int i;

	RTE_LOG(INFO, PMD, "Flushing tx shadow queues\n");
	for (i = 0; i < RTE_MAX_LCORE; i++) {
		struct mrvl_shadow_txq *sq =
			&shadow_txqs[dev->data->port_id][i];

		while (sq->tail != sq->head) {
			uint64_t addr = cookie_addr_high |
					sq->ent[sq->tail].buff.cookie;
			rte_pktmbuf_free((struct rte_mbuf *)addr);
			sq->tail = (sq->tail + 1) & MRVL_PP2_TX_SHADOWQ_MASK;
		}

		memset(sq, 0, sizeof(*sq));
	}
}

/**
 * Flush hardware bpool (buffer-pool).
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_flush_bpool(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	uint32_t num;
	int ret;

	ret = pp2_bpool_get_num_buffs(priv->bpool, &num);
	if (ret) {
		RTE_LOG(ERR, PMD, "Failed to get bpool buffers number\n");
		return;
	}

	while (num--) {
		struct pp2_buff_inf inf;
		uint64_t addr;

		ret = pp2_bpool_get_buff(hifs[rte_lcore_id()], priv->bpool,
					 &inf);
		if (ret)
			break;

		addr = cookie_addr_high | inf.cookie;
		rte_pktmbuf_free((struct rte_mbuf *)addr);
	}
}

/**
 * DPDK callback to stop the device.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_dev_stop(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;

	mrvl_dev_set_link_down(dev);
	mrvl_flush_rx_queues(dev);
	mrvl_flush_tx_shadow_queues(dev);
	if (priv->qos_tbl)
		pp2_cls_qos_tbl_deinit(priv->qos_tbl);
	pp2_ppio_deinit(priv->ppio);
	priv->ppio = NULL;
}

/**
 * DPDK callback to close the device.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_dev_close(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	size_t i;

	for (i = 0; i < priv->ppio_params.inqs_params.num_tcs; ++i) {
		struct pp2_ppio_tc_params *tc_params =
			&priv->ppio_params.inqs_params.tcs_params[i];

		if (tc_params->inqs_params) {
			rte_free(tc_params->inqs_params);
			tc_params->inqs_params = NULL;
		}
	}

	mrvl_flush_bpool(dev);
}

/**
 * DPDK callback to retrieve physical link information.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param wait_to_complete
 *   Wait for request completion (ignored).
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused)
{
	/*
	 * TODO
	 * once MUSDK provides necessary API use it here
	 */
	struct ethtool_cmd edata;
	struct ifreq req;
	int ret, fd;

	edata.cmd = ETHTOOL_GSET;

	strcpy(req.ifr_name, dev->data->name);
	req.ifr_data = (void *)&edata;

	fd = socket(AF_INET, SOCK_DGRAM, 0);
	if (fd == -1)
		return -EFAULT;

	ret = ioctl(fd, SIOCETHTOOL, &req);
	if (ret == -1) {
		close(fd);
		return -EFAULT;
	}

	close(fd);

	switch (ethtool_cmd_speed(&edata)) {
	case SPEED_10:
		dev->data->dev_link.link_speed = ETH_SPEED_NUM_10M;
		break;
	case SPEED_100:
		dev->data->dev_link.link_speed = ETH_SPEED_NUM_100M;
		break;
	case SPEED_1000:
		dev->data->dev_link.link_speed = ETH_SPEED_NUM_1G;
		break;
	case SPEED_10000:
		dev->data->dev_link.link_speed = ETH_SPEED_NUM_10G;
		break;
	default:
		dev->data->dev_link.link_speed = ETH_SPEED_NUM_NONE;
	}

	dev->data->dev_link.link_duplex = edata.duplex ? ETH_LINK_FULL_DUPLEX :
							 ETH_LINK_HALF_DUPLEX;
	dev->data->dev_link.link_autoneg = edata.autoneg ? ETH_LINK_AUTONEG :
							   ETH_LINK_FIXED;

	return 0;
}

/**
 * DPDK callback to enable promiscuous mode.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_promiscuous_enable(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	ret = pp2_ppio_set_uc_promisc(priv->ppio, 1);
	if (ret)
		RTE_LOG(ERR, PMD, "Failed to enable promiscuous mode\n");
}

/**
 * DPDK callback to enable allmulti mode.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_allmulticast_enable(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	ret = pp2_ppio_set_mc_promisc(priv->ppio, 1);
	if (ret)
		RTE_LOG(ERR, PMD, "Failed enable all-multicast mode\n");
}

/**
 * DPDK callback to disable promiscuous mode.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_promiscuous_disable(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	ret = pp2_ppio_set_uc_promisc(priv->ppio, 0);
	if (ret)
		RTE_LOG(ERR, PMD, "Failed to disable promiscuous mode\n");
}

/**
 * DPDK callback to disable allmulticast mode.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_allmulticast_disable(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int ret;

	ret = pp2_ppio_set_mc_promisc(priv->ppio, 0);
	if (ret)
		RTE_LOG(ERR, PMD, "Failed to disable all-multicast mode\n");
}

/**
 * DPDK callback to remove a MAC address.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param index
 *   MAC address index.
 */
static void
mrvl_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	char buf[ETHER_ADDR_FMT_SIZE];
	int ret;

	ret = pp2_ppio_remove_mac_addr(priv->ppio,
				       dev->data->mac_addrs[index].addr_bytes);
	if (ret) {
		ether_format_addr(buf, sizeof(buf),
				  &dev->data->mac_addrs[index]);
		RTE_LOG(ERR, PMD, "Failed to remove mac %s\n", buf);
	}
}

/**
 * DPDK callback to add a MAC address.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param mac_addr
 *   MAC address to register.
 * @param index
 *   MAC address index.
 * @param vmdq
 *   VMDq pool index to associate address with (unused).
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
		  uint32_t index, uint32_t vmdq __rte_unused)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	char buf[ETHER_ADDR_FMT_SIZE];
	int ret;

	if (index == 0)
		/* For setting index 0, mrvl_mac_addr_set() should be used.*/
		return -1;

	/*
	 * Maximum number of uc addresses can be tuned via kernel module mvpp2x
	 * parameter uc_filter_max. Maximum number of mc addresses is then
	 * MRVL_MAC_ADDRS_MAX - uc_filter_max. Currently it defaults to 4 and
	 * 21 respectively.
	 *
	 * If more than uc_filter_max uc addresses were added to filter list
	 * then NIC will switch to promiscuous mode automatically.
	 *
	 * If more than MRVL_MAC_ADDRS_MAX - uc_filter_max number mc addresses
	 * were added to filter list then NIC will switch to all-multicast mode
	 * automatically.
	 */
	ret = pp2_ppio_add_mac_addr(priv->ppio, mac_addr->addr_bytes);
	if (ret) {
		ether_format_addr(buf, sizeof(buf), mac_addr);
		RTE_LOG(ERR, PMD, "Failed to add mac %s\n", buf);
		return -1;
	}

	return 0;
}

/**
 * DPDK callback to set the primary MAC address.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param mac_addr
 *   MAC address to register.
 */
static void
mrvl_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
{
	struct mrvl_priv *priv = dev->data->dev_private;

	pp2_ppio_set_mac_addr(priv->ppio, mac_addr->addr_bytes);
	/*
	 * TODO
	 * Port stops sending packets if pp2_ppio_set_mac_addr()
	 * was called after pp2_ppio_enable(). As a quick fix issue
	 * enable port once again.
	 */
	pp2_ppio_enable(priv->ppio);
}

/**
 * DPDK callback to get device statistics.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param stats
 *   Stats structure output buffer.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	struct pp2_ppio_statistics ppio_stats;
	uint64_t drop_mac = 0;
	unsigned int i, idx, ret;

	for (i = 0; i < dev->data->nb_rx_queues; i++) {
		struct mrvl_rxq *rxq = dev->data->rx_queues[i];
		struct pp2_ppio_inq_statistics rx_stats;

		if (!rxq)
			continue;

		idx = rxq->queue_id;
		if (unlikely(idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)) {
			RTE_LOG(ERR, PMD,
				"rx queue %d stats out of range (0 - %d)\n",
				idx, RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
			continue;
		}

		ret = pp2_ppio_inq_get_statistics(priv->ppio,
						  priv->rxq_map[idx].tc,
						  priv->rxq_map[idx].inq,
						  &rx_stats, 0);
		if (unlikely(ret)) {
			RTE_LOG(ERR, PMD,
				"Failed to update rx queue %d stats\n", idx);
			break;
		}

		stats->q_ibytes[idx] = rxq->bytes_recv;
		stats->q_ipackets[idx] = rx_stats.enq_desc - rxq->drop_mac;
		stats->q_errors[idx] = rx_stats.drop_early +
				       rx_stats.drop_fullq +
				       rx_stats.drop_bm +
				       rxq->drop_mac;
		stats->ibytes += rxq->bytes_recv;
		drop_mac += rxq->drop_mac;
	}

	for (i = 0; i < dev->data->nb_tx_queues; i++) {
		struct mrvl_txq *txq = dev->data->tx_queues[i];
		struct pp2_ppio_outq_statistics tx_stats;

		if (!txq)
			continue;

		idx = txq->queue_id;
		if (unlikely(idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)) {
			RTE_LOG(ERR, PMD,
				"tx queue %d stats out of range (0 - %d)\n",
				idx, RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
		}

		ret = pp2_ppio_outq_get_statistics(priv->ppio, idx,
						   &tx_stats, 0);
		if (unlikely(ret)) {
			RTE_LOG(ERR, PMD,
				"Failed to update tx queue %d stats\n", idx);
			break;
		}

		stats->q_opackets[idx] = tx_stats.deq_desc;
		stats->q_obytes[idx] = txq->bytes_sent;
		stats->obytes += txq->bytes_sent;
	}

	ret = pp2_ppio_get_statistics(priv->ppio, &ppio_stats, 0);
	if (unlikely(ret)) {
		RTE_LOG(ERR, PMD, "Failed to update port statistics\n");
		return ret;
	}

	stats->ipackets += ppio_stats.rx_packets - drop_mac;
	stats->opackets += ppio_stats.tx_packets;
	stats->imissed += ppio_stats.rx_fullq_dropped +
			  ppio_stats.rx_bm_dropped +
			  ppio_stats.rx_early_dropped +
			  ppio_stats.rx_fifo_dropped +
			  ppio_stats.rx_cls_dropped;
	stats->ierrors = drop_mac;

	return 0;
}

/**
 * DPDK callback to clear device statistics.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 */
static void
mrvl_stats_reset(struct rte_eth_dev *dev)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	int i;

	for (i = 0; i < dev->data->nb_rx_queues; i++) {
		struct mrvl_rxq *rxq = dev->data->rx_queues[i];

		pp2_ppio_inq_get_statistics(priv->ppio, priv->rxq_map[i].tc,
					    priv->rxq_map[i].inq, NULL, 1);
		rxq->bytes_recv = 0;
		rxq->drop_mac = 0;
	}

	for (i = 0; i < dev->data->nb_tx_queues; i++) {
		struct mrvl_txq *txq = dev->data->tx_queues[i];

		pp2_ppio_outq_get_statistics(priv->ppio, i, NULL, 1);
		txq->bytes_sent = 0;
	}

	pp2_ppio_get_statistics(priv->ppio, NULL, 1);
}

/**
 * DPDK callback to get information about the device.
 *
 * @param dev
 *   Pointer to Ethernet device structure (unused).
 * @param info
 *   Info structure output buffer.
 */
static void
mrvl_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
		   struct rte_eth_dev_info *info)
{
	info->speed_capa = ETH_LINK_SPEED_10M |
			   ETH_LINK_SPEED_100M |
			   ETH_LINK_SPEED_1G |
			   ETH_LINK_SPEED_10G;

	info->max_rx_queues = MRVL_PP2_RXQ_MAX;
	info->max_tx_queues = MRVL_PP2_TXQ_MAX;
	info->max_mac_addrs = MRVL_MAC_ADDRS_MAX;

	info->rx_desc_lim.nb_max = MRVL_PP2_RXD_MAX;
	info->rx_desc_lim.nb_min = MRVL_PP2_RXD_MIN;
	info->rx_desc_lim.nb_align = MRVL_PP2_RXD_ALIGN;

	info->tx_desc_lim.nb_max = MRVL_PP2_TXD_MAX;
	info->tx_desc_lim.nb_min = MRVL_PP2_TXD_MIN;
	info->tx_desc_lim.nb_align = MRVL_PP2_TXD_ALIGN;

	info->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME |
				DEV_RX_OFFLOAD_VLAN_FILTER |
				DEV_RX_OFFLOAD_IPV4_CKSUM |
				DEV_RX_OFFLOAD_UDP_CKSUM |
				DEV_RX_OFFLOAD_TCP_CKSUM;

	info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM |
				DEV_TX_OFFLOAD_UDP_CKSUM |
				DEV_TX_OFFLOAD_TCP_CKSUM;

	info->flow_type_rss_offloads = ETH_RSS_IPV4 |
				       ETH_RSS_NONFRAG_IPV4_TCP |
				       ETH_RSS_NONFRAG_IPV4_UDP;

	/* By default packets are dropped if no descriptors are available */
	info->default_rxconf.rx_drop_en = 1;

	info->max_rx_pktlen = MRVL_PKT_SIZE_MAX;
}

/**
 * Return supported packet types.
 *
 * @param dev
 *   Pointer to Ethernet device structure (unused).
 *
 * @return
 *   Const pointer to the table with supported packet types.
 */
static const uint32_t *
mrvl_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
{
	static const uint32_t ptypes[] = {
		RTE_PTYPE_L2_ETHER,
		RTE_PTYPE_L3_IPV4,
		RTE_PTYPE_L3_IPV4_EXT,
		RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
		RTE_PTYPE_L3_IPV6,
		RTE_PTYPE_L3_IPV6_EXT,
		RTE_PTYPE_L2_ETHER_ARP,
		RTE_PTYPE_L4_TCP,
		RTE_PTYPE_L4_UDP
	};

	return ptypes;
}

/**
 * DPDK callback to get information about specific receive queue.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param rx_queue_id
 *   Receive queue index.
 * @param qinfo
 *   Receive queue information structure.
 */
static void mrvl_rxq_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
			      struct rte_eth_rxq_info *qinfo)
{
	struct mrvl_rxq *q = dev->data->rx_queues[rx_queue_id];
	struct mrvl_priv *priv = dev->data->dev_private;
	int inq = priv->rxq_map[rx_queue_id].inq;
	int tc = priv->rxq_map[rx_queue_id].tc;
	struct pp2_ppio_tc_params *tc_params =
		&priv->ppio_params.inqs_params.tcs_params[tc];

	qinfo->mp = q->mp;
	qinfo->nb_desc = tc_params->inqs_params[inq].size;
}

/**
 * DPDK callback to get information about specific transmit queue.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param tx_queue_id
 *   Transmit queue index.
 * @param qinfo
 *   Transmit queue information structure.
 */
static void mrvl_txq_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
			      struct rte_eth_txq_info *qinfo)
{
	struct mrvl_priv *priv = dev->data->dev_private;

	qinfo->nb_desc =
		priv->ppio_params.outqs_params.outqs_params[tx_queue_id].size;
}

/**
 * DPDK callback to Configure a VLAN filter.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param vlan_id
 *   VLAN ID to filter.
 * @param on
 *   Toggle filter.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
{
	struct mrvl_priv *priv = dev->data->dev_private;

	return on ? pp2_ppio_add_vlan(priv->ppio, vlan_id) :
		    pp2_ppio_remove_vlan(priv->ppio, vlan_id);
}

/**
 * Release buffers to hardware bpool (buffer-pool)
 *
 * @param rxq
 *   Receive queue pointer.
 * @param num
 *   Number of buffers to release to bpool.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_fill_bpool(struct mrvl_rxq *rxq, int num)
{
	struct buff_release_entry entries[MRVL_PP2_TXD_MAX];
	struct rte_mbuf *mbufs[MRVL_PP2_TXD_MAX];
	int i, ret;
	unsigned int core_id = rte_lcore_id();
	struct pp2_hif *hif = hifs[core_id];
	struct pp2_bpool *bpool = rxq->priv->bpool;

	ret = rte_pktmbuf_alloc_bulk(rxq->mp, mbufs, num);
	if (ret)
		return ret;

	if (cookie_addr_high == MRVL_COOKIE_ADDR_INVALID)
		cookie_addr_high =
			(uint64_t)mbufs[0] & MRVL_COOKIE_HIGH_ADDR_MASK;

	for (i = 0; i < num; i++) {
		if (((uint64_t)mbufs[i] & MRVL_COOKIE_HIGH_ADDR_MASK)
			!= cookie_addr_high) {
			RTE_LOG(ERR, PMD,
				"mbuf virtual addr high 0x%lx out of range\n",
				(uint64_t)mbufs[i] >> 32);
			goto out;
		}

		entries[i].buff.addr =
			rte_mbuf_data_iova_default(mbufs[i]);
		entries[i].buff.cookie = (pp2_cookie_t)(uint64_t)mbufs[i];
		entries[i].bpool = bpool;
	}

	pp2_bpool_put_buffs(hif, entries, (uint16_t *)&i);
	mrvl_port_bpool_size[bpool->pp2_id][bpool->id][core_id] += i;

	if (i != num)
		goto out;

	return 0;
out:
	for (; i < num; i++)
		rte_pktmbuf_free(mbufs[i]);

	return -1;
}

/**
 * DPDK callback to configure the receive queue.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param idx
 *   RX queue index.
 * @param desc
 *   Number of descriptors to configure in queue.
 * @param socket
 *   NUMA socket on which memory must be allocated.
 * @param conf
 *   Thresholds parameters (unused_).
 * @param mp
 *   Memory pool for buffer allocations.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_rx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
		    unsigned int socket,
		    const struct rte_eth_rxconf *conf __rte_unused,
		    struct rte_mempool *mp)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	struct mrvl_rxq *rxq;
	uint32_t min_size,
		 max_rx_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
	int ret, tc, inq;

	if (priv->rxq_map[idx].tc == MRVL_UNKNOWN_TC) {
		/*
		 * Unknown TC mapping, mapping will not have a correct queue.
		 */
		RTE_LOG(ERR, PMD, "Unknown TC mapping for queue %hu eth%hhu\n",
			idx, priv->ppio_id);
		return -EFAULT;
	}

	min_size = rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM -
		   MRVL_PKT_EFFEC_OFFS;
	if (min_size < max_rx_pkt_len) {
		RTE_LOG(ERR, PMD,
			"Mbuf size must be increased to %u bytes to hold up to %u bytes of data.\n",
			max_rx_pkt_len + RTE_PKTMBUF_HEADROOM +
			MRVL_PKT_EFFEC_OFFS,
			max_rx_pkt_len);
		return -EINVAL;
	}

	if (dev->data->rx_queues[idx]) {
		rte_free(dev->data->rx_queues[idx]);
		dev->data->rx_queues[idx] = NULL;
	}

	rxq = rte_zmalloc_socket("rxq", sizeof(*rxq), 0, socket);
	if (!rxq)
		return -ENOMEM;

	rxq->priv = priv;
	rxq->mp = mp;
	rxq->cksum_enabled = dev->data->dev_conf.rxmode.hw_ip_checksum;
	rxq->queue_id = idx;
	rxq->port_id = dev->data->port_id;
	mrvl_port_to_bpool_lookup[rxq->port_id] = priv->bpool;

	tc = priv->rxq_map[rxq->queue_id].tc,
	inq = priv->rxq_map[rxq->queue_id].inq;
	priv->ppio_params.inqs_params.tcs_params[tc].inqs_params[inq].size =
		desc;

	ret = mrvl_fill_bpool(rxq, desc);
	if (ret) {
		rte_free(rxq);
		return ret;
	}

	priv->bpool_init_size += desc;

	dev->data->rx_queues[idx] = rxq;

	return 0;
}

/**
 * DPDK callback to release the receive queue.
 *
 * @param rxq
 *   Generic receive queue pointer.
 */
static void
mrvl_rx_queue_release(void *rxq)
{
	struct mrvl_rxq *q = rxq;
	struct pp2_ppio_tc_params *tc_params;
	int i, num, tc, inq;

	if (!q)
		return;

	tc = q->priv->rxq_map[q->queue_id].tc;
	inq = q->priv->rxq_map[q->queue_id].inq;
	tc_params = &q->priv->ppio_params.inqs_params.tcs_params[tc];
	num = tc_params->inqs_params[inq].size;
	for (i = 0; i < num; i++) {
		struct pp2_buff_inf inf;
		uint64_t addr;

		pp2_bpool_get_buff(hifs[rte_lcore_id()], q->priv->bpool, &inf);
		addr = cookie_addr_high | inf.cookie;
		rte_pktmbuf_free((struct rte_mbuf *)addr);
	}

	rte_free(q);
}

/**
 * DPDK callback to configure the transmit queue.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param idx
 *   Transmit queue index.
 * @param desc
 *   Number of descriptors to configure in the queue.
 * @param socket
 *   NUMA socket on which memory must be allocated.
 * @param conf
 *   Thresholds parameters (unused).
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_tx_queue_setup(struct rte_eth_dev *dev, uint16_t idx, uint16_t desc,
		    unsigned int socket,
		    const struct rte_eth_txconf *conf __rte_unused)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	struct mrvl_txq *txq;

	if (dev->data->tx_queues[idx]) {
		rte_free(dev->data->tx_queues[idx]);
		dev->data->tx_queues[idx] = NULL;
	}

	txq = rte_zmalloc_socket("txq", sizeof(*txq), 0, socket);
	if (!txq)
		return -ENOMEM;

	txq->priv = priv;
	txq->queue_id = idx;
	txq->port_id = dev->data->port_id;
	dev->data->tx_queues[idx] = txq;

	priv->ppio_params.outqs_params.outqs_params[idx].size = desc;
	priv->ppio_params.outqs_params.outqs_params[idx].weight = 1;

	return 0;
}

/**
 * DPDK callback to release the transmit queue.
 *
 * @param txq
 *   Generic transmit queue pointer.
 */
static void
mrvl_tx_queue_release(void *txq)
{
	struct mrvl_txq *q = txq;

	if (!q)
		return;

	rte_free(q);
}

/**
 * Update RSS hash configuration
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @param rss_conf
 *   Pointer to RSS configuration.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_rss_hash_update(struct rte_eth_dev *dev,
		     struct rte_eth_rss_conf *rss_conf)
{
	struct mrvl_priv *priv = dev->data->dev_private;

	return mrvl_configure_rss(priv, rss_conf);
}

/**
 * DPDK callback to get RSS hash configuration.
 *
 * @param dev
 *   Pointer to Ethernet device structure.
 * @rss_conf
 *   Pointer to RSS configuration.
 *
 * @return
 *   Always 0.
 */
static int
mrvl_rss_hash_conf_get(struct rte_eth_dev *dev,
		       struct rte_eth_rss_conf *rss_conf)
{
	struct mrvl_priv *priv = dev->data->dev_private;
	enum pp2_ppio_hash_type hash_type =
		priv->ppio_params.inqs_params.hash_type;

	rss_conf->rss_key = NULL;

	if (hash_type == PP2_PPIO_HASH_T_NONE)
		rss_conf->rss_hf = 0;
	else if (hash_type == PP2_PPIO_HASH_T_2_TUPLE)
		rss_conf->rss_hf = ETH_RSS_IPV4;
	else if (hash_type == PP2_PPIO_HASH_T_5_TUPLE && priv->rss_hf_tcp)
		rss_conf->rss_hf = ETH_RSS_NONFRAG_IPV4_TCP;
	else if (hash_type == PP2_PPIO_HASH_T_5_TUPLE && !priv->rss_hf_tcp)
		rss_conf->rss_hf = ETH_RSS_NONFRAG_IPV4_UDP;

	return 0;
}

static const struct eth_dev_ops mrvl_ops = {
	.dev_configure = mrvl_dev_configure,
	.dev_start = mrvl_dev_start,
	.dev_stop = mrvl_dev_stop,
	.dev_set_link_up = mrvl_dev_set_link_up,
	.dev_set_link_down = mrvl_dev_set_link_down,
	.dev_close = mrvl_dev_close,
	.link_update = mrvl_link_update,
	.promiscuous_enable = mrvl_promiscuous_enable,
	.allmulticast_enable = mrvl_allmulticast_enable,
	.promiscuous_disable = mrvl_promiscuous_disable,
	.allmulticast_disable = mrvl_allmulticast_disable,
	.mac_addr_remove = mrvl_mac_addr_remove,
	.mac_addr_add = mrvl_mac_addr_add,
	.mac_addr_set = mrvl_mac_addr_set,
	.mtu_set = mrvl_mtu_set,
	.stats_get = mrvl_stats_get,
	.stats_reset = mrvl_stats_reset,
	.dev_infos_get = mrvl_dev_infos_get,
	.dev_supported_ptypes_get = mrvl_dev_supported_ptypes_get,
	.rxq_info_get = mrvl_rxq_info_get,
	.txq_info_get = mrvl_txq_info_get,
	.vlan_filter_set = mrvl_vlan_filter_set,
	.rx_queue_setup = mrvl_rx_queue_setup,
	.rx_queue_release = mrvl_rx_queue_release,
	.tx_queue_setup = mrvl_tx_queue_setup,
	.tx_queue_release = mrvl_tx_queue_release,
	.rss_hash_update = mrvl_rss_hash_update,
	.rss_hash_conf_get = mrvl_rss_hash_conf_get,
};

/**
 * Return packet type information and l3/l4 offsets.
 *
 * @param desc
 *   Pointer to the received packet descriptor.
 * @param l3_offset
 *   l3 packet offset.
 * @param l4_offset
 *   l4 packet offset.
 *
 * @return
 *   Packet type information.
 */
static inline uint64_t
mrvl_desc_to_packet_type_and_offset(struct pp2_ppio_desc *desc,
				    uint8_t *l3_offset, uint8_t *l4_offset)
{
	enum pp2_inq_l3_type l3_type;
	enum pp2_inq_l4_type l4_type;
	uint64_t packet_type;

	pp2_ppio_inq_desc_get_l3_info(desc, &l3_type, l3_offset);
	pp2_ppio_inq_desc_get_l4_info(desc, &l4_type, l4_offset);

	packet_type = RTE_PTYPE_L2_ETHER;

	switch (l3_type) {
	case PP2_INQ_L3_TYPE_IPV4_NO_OPTS:
		packet_type |= RTE_PTYPE_L3_IPV4;
		break;
	case PP2_INQ_L3_TYPE_IPV4_OK:
		packet_type |= RTE_PTYPE_L3_IPV4_EXT;
		break;
	case PP2_INQ_L3_TYPE_IPV4_TTL_ZERO:
		packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
		break;
	case PP2_INQ_L3_TYPE_IPV6_NO_EXT:
		packet_type |= RTE_PTYPE_L3_IPV6;
		break;
	case PP2_INQ_L3_TYPE_IPV6_EXT:
		packet_type |= RTE_PTYPE_L3_IPV6_EXT;
		break;
	case PP2_INQ_L3_TYPE_ARP:
		packet_type |= RTE_PTYPE_L2_ETHER_ARP;
		/*
		 * In case of ARP l4_offset is set to wrong value.
		 * Set it to proper one so that later on mbuf->l3_len can be
		 * calculated subtracting l4_offset and l3_offset.
		 */
		*l4_offset = *l3_offset + MRVL_ARP_LENGTH;
		break;
	default:
		RTE_LOG(DEBUG, PMD, "Failed to recognise l3 packet type\n");
		break;
	}

	switch (l4_type) {
	case PP2_INQ_L4_TYPE_TCP:
		packet_type |= RTE_PTYPE_L4_TCP;
		break;
	case PP2_INQ_L4_TYPE_UDP:
		packet_type |= RTE_PTYPE_L4_UDP;
		break;
	default:
		RTE_LOG(DEBUG, PMD, "Failed to recognise l4 packet type\n");
		break;
	}

	return packet_type;
}

/**
 * Get offload information from the received packet descriptor.
 *
 * @param desc
 *   Pointer to the received packet descriptor.
 *
 * @return
 *   Mbuf offload flags.
 */
static inline uint64_t
mrvl_desc_to_ol_flags(struct pp2_ppio_desc *desc)
{
	uint64_t flags;
	enum pp2_inq_desc_status status;

	status = pp2_ppio_inq_desc_get_l3_pkt_error(desc);
	if (unlikely(status != PP2_DESC_ERR_OK))
		flags = PKT_RX_IP_CKSUM_BAD;
	else
		flags = PKT_RX_IP_CKSUM_GOOD;

	status = pp2_ppio_inq_desc_get_l4_pkt_error(desc);
	if (unlikely(status != PP2_DESC_ERR_OK))
		flags |= PKT_RX_L4_CKSUM_BAD;
	else
		flags |= PKT_RX_L4_CKSUM_GOOD;

	return flags;
}

/**
 * DPDK callback for receive.
 *
 * @param rxq
 *   Generic pointer to the receive queue.
 * @param rx_pkts
 *   Array to store received packets.
 * @param nb_pkts
 *   Maximum number of packets in array.
 *
 * @return
 *   Number of packets successfully received.
 */
static uint16_t
mrvl_rx_pkt_burst(void *rxq, struct rte_mbuf **rx_pkts, uint16_t nb_pkts)
{
	struct mrvl_rxq *q = rxq;
	struct pp2_ppio_desc descs[nb_pkts];
	struct pp2_bpool *bpool;
	int i, ret, rx_done = 0;
	int num;
	unsigned int core_id = rte_lcore_id();

	if (unlikely(!q->priv->ppio))
		return 0;

	bpool = q->priv->bpool;

	ret = pp2_ppio_recv(q->priv->ppio, q->priv->rxq_map[q->queue_id].tc,
			    q->priv->rxq_map[q->queue_id].inq, descs, &nb_pkts);
	if (unlikely(ret < 0)) {
		RTE_LOG(ERR, PMD, "Failed to receive packets\n");
		return 0;
	}
	mrvl_port_bpool_size[bpool->pp2_id][bpool->id][core_id] -= nb_pkts;

	for (i = 0; i < nb_pkts; i++) {
		struct rte_mbuf *mbuf;
		uint8_t l3_offset, l4_offset;
		enum pp2_inq_desc_status status;
		uint64_t addr;

		if (likely(nb_pkts - i > MRVL_MUSDK_PREFETCH_SHIFT)) {
			struct pp2_ppio_desc *pref_desc;
			u64 pref_addr;

			pref_desc = &descs[i + MRVL_MUSDK_PREFETCH_SHIFT];
			pref_addr = cookie_addr_high |
				    pp2_ppio_inq_desc_get_cookie(pref_desc);
			rte_mbuf_prefetch_part1((struct rte_mbuf *)(pref_addr));
			rte_mbuf_prefetch_part2((struct rte_mbuf *)(pref_addr));
		}

		addr = cookie_addr_high |
		       pp2_ppio_inq_desc_get_cookie(&descs[i]);
		mbuf = (struct rte_mbuf *)addr;
		rte_pktmbuf_reset(mbuf);

		/* drop packet in case of mac, overrun or resource error */
		status = pp2_ppio_inq_desc_get_l2_pkt_error(&descs[i]);
		if (unlikely(status != PP2_DESC_ERR_OK)) {
			struct pp2_buff_inf binf = {
				.addr = rte_mbuf_data_iova_default(mbuf),
				.cookie = (pp2_cookie_t)(uint64_t)mbuf,
			};

			pp2_bpool_put_buff(hifs[core_id], bpool, &binf);
			mrvl_port_bpool_size
				[bpool->pp2_id][bpool->id][core_id]++;
			q->drop_mac++;
			continue;
		}

		mbuf->data_off += MRVL_PKT_EFFEC_OFFS;
		mbuf->pkt_len = pp2_ppio_inq_desc_get_pkt_len(&descs[i]);
		mbuf->data_len = mbuf->pkt_len;
		mbuf->port = q->port_id;
		mbuf->packet_type =
			mrvl_desc_to_packet_type_and_offset(&descs[i],
							    &l3_offset,
							    &l4_offset);
		mbuf->l2_len = l3_offset;
		mbuf->l3_len = l4_offset - l3_offset;

		if (likely(q->cksum_enabled))
			mbuf->ol_flags = mrvl_desc_to_ol_flags(&descs[i]);

		rx_pkts[rx_done++] = mbuf;
		q->bytes_recv += mbuf->pkt_len;
	}

	if (rte_spinlock_trylock(&q->priv->lock) == 1) {
		num = mrvl_get_bpool_size(bpool->pp2_id, bpool->id);

		if (unlikely(num <= q->priv->bpool_min_size ||
			     (!rx_done && num < q->priv->bpool_init_size))) {
			ret = mrvl_fill_bpool(q, MRVL_BURST_SIZE);
			if (ret)
				RTE_LOG(ERR, PMD, "Failed to fill bpool\n");
		} else if (unlikely(num > q->priv->bpool_max_size)) {
			int i;
			int pkt_to_remove = num - q->priv->bpool_init_size;
			struct rte_mbuf *mbuf;
			struct pp2_buff_inf buff;

			RTE_LOG(DEBUG, PMD,
				"\nport-%d:%d: bpool %d oversize - remove %d buffers (pool size: %d -> %d)\n",
				bpool->pp2_id, q->priv->ppio->port_id,
				bpool->id, pkt_to_remove, num,
				q->priv->bpool_init_size);

			for (i = 0; i < pkt_to_remove; i++) {
				pp2_bpool_get_buff(hifs[core_id], bpool, &buff);
				mbuf = (struct rte_mbuf *)
					(cookie_addr_high | buff.cookie);
				rte_pktmbuf_free(mbuf);
			}
			mrvl_port_bpool_size
				[bpool->pp2_id][bpool->id][core_id] -=
								pkt_to_remove;
		}
		rte_spinlock_unlock(&q->priv->lock);
	}

	return rx_done;
}

/**
 * Prepare offload information.
 *
 * @param ol_flags
 *   Offload flags.
 * @param packet_type
 *   Packet type bitfield.
 * @param l3_type
 *   Pointer to the pp2_ouq_l3_type structure.
 * @param l4_type
 *   Pointer to the pp2_outq_l4_type structure.
 * @param gen_l3_cksum
 *   Will be set to 1 in case l3 checksum is computed.
 * @param l4_cksum
 *   Will be set to 1 in case l4 checksum is computed.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static inline int
mrvl_prepare_proto_info(uint64_t ol_flags, uint32_t packet_type,
			enum pp2_outq_l3_type *l3_type,
			enum pp2_outq_l4_type *l4_type,
			int *gen_l3_cksum,
			int *gen_l4_cksum)
{
	/*
	 * Based on ol_flags prepare information
	 * for pp2_ppio_outq_desc_set_proto_info() which setups descriptor
	 * for offloading.
	 */
	if (ol_flags & PKT_TX_IPV4) {
		*l3_type = PP2_OUTQ_L3_TYPE_IPV4;
		*gen_l3_cksum = ol_flags & PKT_TX_IP_CKSUM ? 1 : 0;
	} else if (ol_flags & PKT_TX_IPV6) {
		*l3_type = PP2_OUTQ_L3_TYPE_IPV6;
		/* no checksum for ipv6 header */
		*gen_l3_cksum = 0;
	} else {
		/* if something different then stop processing */
		return -1;
	}

	ol_flags &= PKT_TX_L4_MASK;
	if ((packet_type & RTE_PTYPE_L4_TCP) &&
	    ol_flags == PKT_TX_TCP_CKSUM) {
		*l4_type = PP2_OUTQ_L4_TYPE_TCP;
		*gen_l4_cksum = 1;
	} else if ((packet_type & RTE_PTYPE_L4_UDP) &&
		   ol_flags == PKT_TX_UDP_CKSUM) {
		*l4_type = PP2_OUTQ_L4_TYPE_UDP;
		*gen_l4_cksum = 1;
	} else {
		*l4_type = PP2_OUTQ_L4_TYPE_OTHER;
		/* no checksum for other type */
		*gen_l4_cksum = 0;
	}

	return 0;
}

/**
 * Release already sent buffers to bpool (buffer-pool).
 *
 * @param ppio
 *   Pointer to the port structure.
 * @param hif
 *   Pointer to the MUSDK hardware interface.
 * @param sq
 *   Pointer to the shadow queue.
 * @param qid
 *   Queue id number.
 * @param force
 *   Force releasing packets.
 */
static inline void
mrvl_free_sent_buffers(struct pp2_ppio *ppio, struct pp2_hif *hif,
		       struct mrvl_shadow_txq *sq, int qid, int force)
{
	struct buff_release_entry *entry;
	uint16_t nb_done = 0, num = 0, skip_bufs = 0;
	int i, core_id = rte_lcore_id();

	pp2_ppio_get_num_outq_done(ppio, hif, qid, &nb_done);

	sq->num_to_release += nb_done;

	if (likely(!force &&
		   sq->num_to_release < MRVL_PP2_BUF_RELEASE_BURST_SIZE))
		return;

	nb_done = sq->num_to_release;
	sq->num_to_release = 0;

	for (i = 0; i < nb_done; i++) {
		entry = &sq->ent[sq->tail + num];
		if (unlikely(!entry->buff.addr)) {
			RTE_LOG(ERR, PMD,
				"Shadow memory @%d: cookie(%lx), pa(%lx)!\n",
				sq->tail, (u64)entry->buff.cookie,
				(u64)entry->buff.addr);
			skip_bufs = 1;
			goto skip;
		}

		if (unlikely(!entry->bpool)) {
			struct rte_mbuf *mbuf;

			mbuf = (struct rte_mbuf *)
			       (cookie_addr_high | entry->buff.cookie);
			rte_pktmbuf_free(mbuf);
			skip_bufs = 1;
			goto skip;
		}

		mrvl_port_bpool_size
			[entry->bpool->pp2_id][entry->bpool->id][core_id]++;
		num++;
		if (unlikely(sq->tail + num == MRVL_PP2_TX_SHADOWQ_SIZE))
			goto skip;
		continue;
skip:
		if (likely(num))
			pp2_bpool_put_buffs(hif, &sq->ent[sq->tail], &num);
		num += skip_bufs;
		sq->tail = (sq->tail + num) & MRVL_PP2_TX_SHADOWQ_MASK;
		sq->size -= num;
		num = 0;
	}

	if (likely(num)) {
		pp2_bpool_put_buffs(hif, &sq->ent[sq->tail], &num);
		sq->tail = (sq->tail + num) & MRVL_PP2_TX_SHADOWQ_MASK;
		sq->size -= num;
	}
}

/**
 * DPDK callback for transmit.
 *
 * @param txq
 *   Generic pointer transmit queue.
 * @param tx_pkts
 *   Packets to transmit.
 * @param nb_pkts
 *   Number of packets in array.
 *
 * @return
 *   Number of packets successfully transmitted.
 */
static uint16_t
mrvl_tx_pkt_burst(void *txq, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
{
	struct mrvl_txq *q = txq;
	struct mrvl_shadow_txq *sq = &shadow_txqs[q->port_id][rte_lcore_id()];
	struct pp2_hif *hif = hifs[rte_lcore_id()];
	struct pp2_ppio_desc descs[nb_pkts];
	int i, ret, bytes_sent = 0;
	uint16_t num, sq_free_size;
	uint64_t addr;

	if (unlikely(!q->priv->ppio))
		return 0;

	if (sq->size)
		mrvl_free_sent_buffers(q->priv->ppio, hif, sq, q->queue_id, 0);

	sq_free_size = MRVL_PP2_TX_SHADOWQ_SIZE - sq->size - 1;
	if (unlikely(nb_pkts > sq_free_size)) {
		RTE_LOG(DEBUG, PMD,
			"No room in shadow queue for %d packets! %d packets will be sent.\n",
			nb_pkts, sq_free_size);
		nb_pkts = sq_free_size;
	}

	for (i = 0; i < nb_pkts; i++) {
		struct rte_mbuf *mbuf = tx_pkts[i];
		int gen_l3_cksum, gen_l4_cksum;
		enum pp2_outq_l3_type l3_type;
		enum pp2_outq_l4_type l4_type;

		if (likely(nb_pkts - i > MRVL_MUSDK_PREFETCH_SHIFT)) {
			struct rte_mbuf *pref_pkt_hdr;

			pref_pkt_hdr = tx_pkts[i + MRVL_MUSDK_PREFETCH_SHIFT];
			rte_mbuf_prefetch_part1(pref_pkt_hdr);
			rte_mbuf_prefetch_part2(pref_pkt_hdr);
		}

		sq->ent[sq->head].buff.cookie = (pp2_cookie_t)(uint64_t)mbuf;
		sq->ent[sq->head].buff.addr =
			rte_mbuf_data_iova_default(mbuf);
		sq->ent[sq->head].bpool =
			(unlikely(mbuf->port == 0xff || mbuf->refcnt > 1)) ?
			 NULL : mrvl_port_to_bpool_lookup[mbuf->port];
		sq->head = (sq->head + 1) & MRVL_PP2_TX_SHADOWQ_MASK;
		sq->size++;

		pp2_ppio_outq_desc_reset(&descs[i]);
		pp2_ppio_outq_desc_set_phys_addr(&descs[i],
						 rte_pktmbuf_iova(mbuf));
		pp2_ppio_outq_desc_set_pkt_offset(&descs[i], 0);
		pp2_ppio_outq_desc_set_pkt_len(&descs[i],
					       rte_pktmbuf_pkt_len(mbuf));

		bytes_sent += rte_pktmbuf_pkt_len(mbuf);
		/*
		 * in case unsupported ol_flags were passed
		 * do not update descriptor offload information
		 */
		ret = mrvl_prepare_proto_info(mbuf->ol_flags, mbuf->packet_type,
					      &l3_type, &l4_type, &gen_l3_cksum,
					      &gen_l4_cksum);
		if (unlikely(ret))
			continue;

		pp2_ppio_outq_desc_set_proto_info(&descs[i], l3_type, l4_type,
						  mbuf->l2_len,
						  mbuf->l2_len + mbuf->l3_len,
						  gen_l3_cksum, gen_l4_cksum);
	}

	num = nb_pkts;
	pp2_ppio_send(q->priv->ppio, hif, q->queue_id, descs, &nb_pkts);
	/* number of packets that were not sent */
	if (unlikely(num > nb_pkts)) {
		for (i = nb_pkts; i < num; i++) {
			sq->head = (MRVL_PP2_TX_SHADOWQ_SIZE + sq->head - 1) &
				MRVL_PP2_TX_SHADOWQ_MASK;
			addr = cookie_addr_high | sq->ent[sq->head].buff.cookie;
			bytes_sent -=
				rte_pktmbuf_pkt_len((struct rte_mbuf *)addr);
		}
		sq->size -= num - nb_pkts;
	}

	q->bytes_sent += bytes_sent;

	return nb_pkts;
}

/**
 * Initialize packet processor.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_init_pp2(void)
{
	struct pp2_init_params init_params;

	memset(&init_params, 0, sizeof(init_params));
	init_params.hif_reserved_map = MRVL_MUSDK_HIFS_RESERVED;
	init_params.bm_pool_reserved_map = MRVL_MUSDK_BPOOLS_RESERVED;
	init_params.rss_tbl_reserved_map = MRVL_MUSDK_RSS_RESERVED;

	return pp2_init(&init_params);
}

/**
 * Deinitialize packet processor.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static void
mrvl_deinit_pp2(void)
{
	pp2_deinit();
}

/**
 * Create private device structure.
 *
 * @param dev_name
 *   Pointer to the port name passed in the initialization parameters.
 *
 * @return
 *   Pointer to the newly allocated private device structure.
 */
static struct mrvl_priv *
mrvl_priv_create(const char *dev_name)
{
	struct pp2_bpool_params bpool_params;
	char match[MRVL_MATCH_LEN];
	struct mrvl_priv *priv;
	int ret, bpool_bit;

	priv = rte_zmalloc_socket(dev_name, sizeof(*priv), 0, rte_socket_id());
	if (!priv)
		return NULL;

	ret = pp2_netdev_get_ppio_info((char *)(uintptr_t)dev_name,
				       &priv->pp_id, &priv->ppio_id);
	if (ret)
		goto out_free_priv;

	bpool_bit = mrvl_reserve_bit(&used_bpools[priv->pp_id],
				     PP2_BPOOL_NUM_POOLS);
	if (bpool_bit < 0)
		goto out_free_priv;
	priv->bpool_bit = bpool_bit;

	snprintf(match, sizeof(match), "pool-%d:%d", priv->pp_id,
		 priv->bpool_bit);
	memset(&bpool_params, 0, sizeof(bpool_params));
	bpool_params.match = match;
	bpool_params.buff_len = MRVL_PKT_SIZE_MAX + MRVL_PKT_EFFEC_OFFS;
	ret = pp2_bpool_init(&bpool_params, &priv->bpool);
	if (ret)
		goto out_clear_bpool_bit;

	priv->ppio_params.type = PP2_PPIO_T_NIC;
	rte_spinlock_init(&priv->lock);

	return priv;
out_clear_bpool_bit:
	used_bpools[priv->pp_id] &= ~(1 << priv->bpool_bit);
out_free_priv:
	rte_free(priv);
	return NULL;
}

/**
 * Create device representing Ethernet port.
 *
 * @param name
 *   Pointer to the port's name.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_eth_dev_create(struct rte_vdev_device *vdev, const char *name)
{
	int ret, fd = socket(AF_INET, SOCK_DGRAM, 0);
	struct rte_eth_dev *eth_dev;
	struct mrvl_priv *priv;
	struct ifreq req;

	eth_dev = rte_eth_dev_allocate(name);
	if (!eth_dev)
		return -ENOMEM;

	priv = mrvl_priv_create(name);
	if (!priv) {
		ret = -ENOMEM;
		goto out_free_dev;
	}

	eth_dev->data->mac_addrs =
		rte_zmalloc("mac_addrs",
			    ETHER_ADDR_LEN * MRVL_MAC_ADDRS_MAX, 0);
	if (!eth_dev->data->mac_addrs) {
		RTE_LOG(ERR, PMD, "Failed to allocate space for eth addrs\n");
		ret = -ENOMEM;
		goto out_free_priv;
	}

	memset(&req, 0, sizeof(req));
	strcpy(req.ifr_name, name);
	ret = ioctl(fd, SIOCGIFHWADDR, &req);
	if (ret)
		goto out_free_mac;

	memcpy(eth_dev->data->mac_addrs[0].addr_bytes,
	       req.ifr_addr.sa_data, ETHER_ADDR_LEN);

	eth_dev->rx_pkt_burst = mrvl_rx_pkt_burst;
	eth_dev->tx_pkt_burst = mrvl_tx_pkt_burst;
	eth_dev->data->dev_private = priv;
	eth_dev->device = &vdev->device;
	eth_dev->dev_ops = &mrvl_ops;

	return 0;
out_free_mac:
	rte_free(eth_dev->data->mac_addrs);
out_free_dev:
	rte_eth_dev_release_port(eth_dev);
out_free_priv:
	rte_free(priv);

	return ret;
}

/**
 * Cleanup previously created device representing Ethernet port.
 *
 * @param name
 *   Pointer to the port name.
 */
static void
mrvl_eth_dev_destroy(const char *name)
{
	struct rte_eth_dev *eth_dev;
	struct mrvl_priv *priv;

	eth_dev = rte_eth_dev_allocated(name);
	if (!eth_dev)
		return;

	priv = eth_dev->data->dev_private;
	pp2_bpool_deinit(priv->bpool);
	rte_free(priv);
	rte_free(eth_dev->data->mac_addrs);
	rte_eth_dev_release_port(eth_dev);
}

/**
 * Callback used by rte_kvargs_process() during argument parsing.
 *
 * @param key
 *   Pointer to the parsed key (unused).
 * @param value
 *   Pointer to the parsed value.
 * @param extra_args
 *   Pointer to the extra arguments which contains address of the
 *   table of pointers to parsed interface names.
 *
 * @return
 *   Always 0.
 */
static int
mrvl_get_ifnames(const char *key __rte_unused, const char *value,
		 void *extra_args)
{
	const char **ifnames = extra_args;

	ifnames[mrvl_ports_nb++] = value;

	return 0;
}

/**
 * Initialize per-lcore MUSDK hardware interfaces (hifs).
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
mrvl_init_hifs(void)
{
	struct pp2_hif_params params;
	char match[MRVL_MATCH_LEN];
	int i, ret;

	RTE_LCORE_FOREACH(i) {
		ret = mrvl_reserve_bit(&used_hifs, MRVL_MUSDK_HIFS_MAX);
		if (ret < 0)
			return ret;

		snprintf(match, sizeof(match), "hif-%d", ret);
		memset(&params, 0, sizeof(params));
		params.match = match;
		params.out_size = MRVL_PP2_AGGR_TXQD_MAX;
		ret = pp2_hif_init(&params, &hifs[i]);
		if (ret) {
			RTE_LOG(ERR, PMD, "Failed to initialize hif %d\n", i);
			return ret;
		}
	}

	return 0;
}

/**
 * Deinitialize per-lcore MUSDK hardware interfaces (hifs).
 */
static void
mrvl_deinit_hifs(void)
{
	int i;

	RTE_LCORE_FOREACH(i) {
		if (hifs[i])
			pp2_hif_deinit(hifs[i]);
	}
}

static void mrvl_set_first_last_cores(int core_id)
{
	if (core_id < mrvl_lcore_first)
		mrvl_lcore_first = core_id;

	if (core_id > mrvl_lcore_last)
		mrvl_lcore_last = core_id;
}

/**
 * DPDK callback to register the virtual device.
 *
 * @param vdev
 *   Pointer to the virtual device.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
rte_pmd_mrvl_probe(struct rte_vdev_device *vdev)
{
	struct rte_kvargs *kvlist;
	const char *ifnames[PP2_NUM_ETH_PPIO * PP2_NUM_PKT_PROC];
	int ret = -EINVAL;
	uint32_t i, ifnum, cfgnum, core_id;
	const char *params;

	params = rte_vdev_device_args(vdev);
	if (!params)
		return -EINVAL;

	kvlist = rte_kvargs_parse(params, valid_args);
	if (!kvlist)
		return -EINVAL;

	ifnum = rte_kvargs_count(kvlist, MRVL_IFACE_NAME_ARG);
	if (ifnum > RTE_DIM(ifnames))
		goto out_free_kvlist;

	rte_kvargs_process(kvlist, MRVL_IFACE_NAME_ARG,
			   mrvl_get_ifnames, &ifnames);

	cfgnum = rte_kvargs_count(kvlist, MRVL_CFG_ARG);
	if (cfgnum > 1) {
		RTE_LOG(ERR, PMD, "Cannot handle more than one config file!\n");
		goto out_free_kvlist;
	} else if (cfgnum == 1) {
		rte_kvargs_process(kvlist, MRVL_CFG_ARG,
				   mrvl_get_qoscfg, &mrvl_qos_cfg);
	}

	/*
	 * ret == -EEXIST is correct, it means DMA
	 * has been already initialized (by another PMD).
	 */
	ret = mv_sys_dma_mem_init(MRVL_MUSDK_DMA_MEMSIZE);
	if (ret < 0) {
		if (ret != -EEXIST)
			goto out_free_kvlist;
		else
			RTE_LOG(INFO, PMD,
				"DMA memory has been already initialized by a different driver.\n");
	}

	ret = mrvl_init_pp2();
	if (ret) {
		RTE_LOG(ERR, PMD, "Failed to init PP!\n");
		goto out_deinit_dma;
	}

	ret = mrvl_init_hifs();
	if (ret)
		goto out_deinit_hifs;

	for (i = 0; i < ifnum; i++) {
		RTE_LOG(INFO, PMD, "Creating %s\n", ifnames[i]);
		ret = mrvl_eth_dev_create(vdev, ifnames[i]);
		if (ret)
			goto out_cleanup;
	}

	rte_kvargs_free(kvlist);

	memset(mrvl_port_bpool_size, 0, sizeof(mrvl_port_bpool_size));

	mrvl_lcore_first = RTE_MAX_LCORE;
	mrvl_lcore_last = 0;

	RTE_LCORE_FOREACH(core_id) {
		mrvl_set_first_last_cores(core_id);
	}

	return 0;
out_cleanup:
	for (; i > 0; i--)
		mrvl_eth_dev_destroy(ifnames[i]);
out_deinit_hifs:
	mrvl_deinit_hifs();
	mrvl_deinit_pp2();
out_deinit_dma:
	mv_sys_dma_mem_destroy();
out_free_kvlist:
	rte_kvargs_free(kvlist);

	return ret;
}

/**
 * DPDK callback to remove virtual device.
 *
 * @param vdev
 *   Pointer to the removed virtual device.
 *
 * @return
 *   0 on success, negative error value otherwise.
 */
static int
rte_pmd_mrvl_remove(struct rte_vdev_device *vdev)
{
	int i;
	const char *name;

	name = rte_vdev_device_name(vdev);
	if (!name)
		return -EINVAL;

	RTE_LOG(INFO, PMD, "Removing %s\n", name);

	for (i = 0; i < rte_eth_dev_count(); i++) {
		char ifname[RTE_ETH_NAME_MAX_LEN];

		rte_eth_dev_get_name_by_port(i, ifname);
		mrvl_eth_dev_destroy(ifname);
	}

	mrvl_deinit_hifs();
	mrvl_deinit_pp2();
	mv_sys_dma_mem_destroy();

	return 0;
}

static struct rte_vdev_driver pmd_mrvl_drv = {
	.probe = rte_pmd_mrvl_probe,
	.remove = rte_pmd_mrvl_remove,
};

RTE_PMD_REGISTER_VDEV(net_mrvl, pmd_mrvl_drv);
RTE_PMD_REGISTER_ALIAS(net_mrvl, eth_mrvl);