summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/intel/ice/ice_main.c
blob: 5ae671609f98a0ac532ef5f967d7ab0b0ca8a203 (plain)
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
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5010
5011
5012
5013
5014
5015
5016
5017
5018
5019
5020
5021
5022
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
5089
5090
5091
5092
5093
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
5112
5113
5114
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
5224
5225
5226
5227
5228
5229
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260
5261
5262
5263
5264
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277
5278
5279
5280
5281
5282
5283
5284
5285
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, Intel Corporation. */

/* Intel(R) Ethernet Connection E800 Series Linux Driver */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include "ice.h"
#include "ice_base.h"
#include "ice_lib.h"
#include "ice_dcb_lib.h"
#include "ice_dcb_nl.h"

#define DRV_VERSION_MAJOR 0
#define DRV_VERSION_MINOR 8
#define DRV_VERSION_BUILD 2

#define DRV_VERSION	__stringify(DRV_VERSION_MAJOR) "." \
			__stringify(DRV_VERSION_MINOR) "." \
			__stringify(DRV_VERSION_BUILD) "-k"
#define DRV_SUMMARY	"Intel(R) Ethernet Connection E800 Series Linux Driver"
const char ice_drv_ver[] = DRV_VERSION;
static const char ice_driver_string[] = DRV_SUMMARY;
static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation.";

/* DDP Package file located in firmware search paths (e.g. /lib/firmware/) */
#define ICE_DDP_PKG_PATH	"intel/ice/ddp/"
#define ICE_DDP_PKG_FILE	ICE_DDP_PKG_PATH "ice.pkg"

MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
MODULE_DESCRIPTION(DRV_SUMMARY);
MODULE_LICENSE("GPL v2");
MODULE_VERSION(DRV_VERSION);
MODULE_FIRMWARE(ICE_DDP_PKG_FILE);

static int debug = -1;
module_param(debug, int, 0644);
#ifndef CONFIG_DYNAMIC_DEBUG
MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all), hw debug_mask (0x8XXXXXXX)");
#else
MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all)");
#endif /* !CONFIG_DYNAMIC_DEBUG */

static struct workqueue_struct *ice_wq;
static const struct net_device_ops ice_netdev_safe_mode_ops;
static const struct net_device_ops ice_netdev_ops;
static int ice_vsi_open(struct ice_vsi *vsi);

static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type);

static void ice_vsi_release_all(struct ice_pf *pf);

/**
 * ice_get_tx_pending - returns number of Tx descriptors not processed
 * @ring: the ring of descriptors
 */
static u16 ice_get_tx_pending(struct ice_ring *ring)
{
	u16 head, tail;

	head = ring->next_to_clean;
	tail = ring->next_to_use;

	if (head != tail)
		return (head < tail) ?
			tail - head : (tail + ring->count - head);
	return 0;
}

/**
 * ice_check_for_hang_subtask - check for and recover hung queues
 * @pf: pointer to PF struct
 */
static void ice_check_for_hang_subtask(struct ice_pf *pf)
{
	struct ice_vsi *vsi = NULL;
	struct ice_hw *hw;
	unsigned int i;
	int packets;
	u32 v;

	ice_for_each_vsi(pf, v)
		if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) {
			vsi = pf->vsi[v];
			break;
		}

	if (!vsi || test_bit(__ICE_DOWN, vsi->state))
		return;

	if (!(vsi->netdev && netif_carrier_ok(vsi->netdev)))
		return;

	hw = &vsi->back->hw;

	for (i = 0; i < vsi->num_txq; i++) {
		struct ice_ring *tx_ring = vsi->tx_rings[i];

		if (tx_ring && tx_ring->desc) {
			/* If packet counter has not changed the queue is
			 * likely stalled, so force an interrupt for this
			 * queue.
			 *
			 * prev_pkt would be negative if there was no
			 * pending work.
			 */
			packets = tx_ring->stats.pkts & INT_MAX;
			if (tx_ring->tx_stats.prev_pkt == packets) {
				/* Trigger sw interrupt to revive the queue */
				ice_trigger_sw_intr(hw, tx_ring->q_vector);
				continue;
			}

			/* Memory barrier between read of packet count and call
			 * to ice_get_tx_pending()
			 */
			smp_rmb();
			tx_ring->tx_stats.prev_pkt =
			    ice_get_tx_pending(tx_ring) ? packets : -1;
		}
	}
}

/**
 * ice_init_mac_fltr - Set initial MAC filters
 * @pf: board private structure
 *
 * Set initial set of MAC filters for PF VSI; configure filters for permanent
 * address and broadcast address. If an error is encountered, netdevice will be
 * unregistered.
 */
static int ice_init_mac_fltr(struct ice_pf *pf)
{
	enum ice_status status;
	u8 broadcast[ETH_ALEN];
	struct ice_vsi *vsi;

	vsi = ice_get_main_vsi(pf);
	if (!vsi)
		return -EINVAL;

	/* To add a MAC filter, first add the MAC to a list and then
	 * pass the list to ice_add_mac.
	 */

	 /* Add a unicast MAC filter so the VSI can get its packets */
	status = ice_vsi_cfg_mac_fltr(vsi, vsi->port_info->mac.perm_addr, true);
	if (status)
		goto unregister;

	/* VSI needs to receive broadcast traffic, so add the broadcast
	 * MAC address to the list as well.
	 */
	eth_broadcast_addr(broadcast);
	status = ice_vsi_cfg_mac_fltr(vsi, broadcast, true);
	if (status)
		goto unregister;

	return 0;
unregister:
	/* We aren't useful with no MAC filters, so unregister if we
	 * had an error
	 */
	if (status && vsi->netdev->reg_state == NETREG_REGISTERED) {
		dev_err(ice_pf_to_dev(pf),
			"Could not add MAC filters error %d. Unregistering device\n",
			status);
		unregister_netdev(vsi->netdev);
		free_netdev(vsi->netdev);
		vsi->netdev = NULL;
	}

	return -EIO;
}

/**
 * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced
 * @netdev: the net device on which the sync is happening
 * @addr: MAC address to sync
 *
 * This is a callback function which is called by the in kernel device sync
 * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only
 * populates the tmp_sync_list, which is later used by ice_add_mac to add the
 * MAC filters from the hardware.
 */
static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	if (ice_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr))
		return -EINVAL;

	return 0;
}

/**
 * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced
 * @netdev: the net device on which the unsync is happening
 * @addr: MAC address to unsync
 *
 * This is a callback function which is called by the in kernel device unsync
 * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only
 * populates the tmp_unsync_list, which is later used by ice_remove_mac to
 * delete the MAC filters from the hardware.
 */
static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	if (ice_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr))
		return -EINVAL;

	return 0;
}

/**
 * ice_vsi_fltr_changed - check if filter state changed
 * @vsi: VSI to be checked
 *
 * returns true if filter state has changed, false otherwise.
 */
static bool ice_vsi_fltr_changed(struct ice_vsi *vsi)
{
	return test_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags) ||
	       test_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags) ||
	       test_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
}

/**
 * ice_cfg_promisc - Enable or disable promiscuous mode for a given PF
 * @vsi: the VSI being configured
 * @promisc_m: mask of promiscuous config bits
 * @set_promisc: enable or disable promisc flag request
 *
 */
static int ice_cfg_promisc(struct ice_vsi *vsi, u8 promisc_m, bool set_promisc)
{
	struct ice_hw *hw = &vsi->back->hw;
	enum ice_status status = 0;

	if (vsi->type != ICE_VSI_PF)
		return 0;

	if (vsi->vlan_ena) {
		status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m,
						  set_promisc);
	} else {
		if (set_promisc)
			status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m,
						     0);
		else
			status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m,
						       0);
	}

	if (status)
		return -EIO;

	return 0;
}

/**
 * ice_vsi_sync_fltr - Update the VSI filter list to the HW
 * @vsi: ptr to the VSI
 *
 * Push any outstanding VSI filter changes through the AdminQ.
 */
static int ice_vsi_sync_fltr(struct ice_vsi *vsi)
{
	struct device *dev = &vsi->back->pdev->dev;
	struct net_device *netdev = vsi->netdev;
	bool promisc_forced_on = false;
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status = 0;
	u32 changed_flags = 0;
	u8 promisc_m;
	int err = 0;

	if (!vsi->netdev)
		return -EINVAL;

	while (test_and_set_bit(__ICE_CFG_BUSY, vsi->state))
		usleep_range(1000, 2000);

	changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags;
	vsi->current_netdev_flags = vsi->netdev->flags;

	INIT_LIST_HEAD(&vsi->tmp_sync_list);
	INIT_LIST_HEAD(&vsi->tmp_unsync_list);

	if (ice_vsi_fltr_changed(vsi)) {
		clear_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags);
		clear_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags);
		clear_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);

		/* grab the netdev's addr_list_lock */
		netif_addr_lock_bh(netdev);
		__dev_uc_sync(netdev, ice_add_mac_to_sync_list,
			      ice_add_mac_to_unsync_list);
		__dev_mc_sync(netdev, ice_add_mac_to_sync_list,
			      ice_add_mac_to_unsync_list);
		/* our temp lists are populated. release lock */
		netif_addr_unlock_bh(netdev);
	}

	/* Remove MAC addresses in the unsync list */
	status = ice_remove_mac(hw, &vsi->tmp_unsync_list);
	ice_free_fltr_list(dev, &vsi->tmp_unsync_list);
	if (status) {
		netdev_err(netdev, "Failed to delete MAC filters\n");
		/* if we failed because of alloc failures, just bail */
		if (status == ICE_ERR_NO_MEMORY) {
			err = -ENOMEM;
			goto out;
		}
	}

	/* Add MAC addresses in the sync list */
	status = ice_add_mac(hw, &vsi->tmp_sync_list);
	ice_free_fltr_list(dev, &vsi->tmp_sync_list);
	/* If filter is added successfully or already exists, do not go into
	 * 'if' condition and report it as error. Instead continue processing
	 * rest of the function.
	 */
	if (status && status != ICE_ERR_ALREADY_EXISTS) {
		netdev_err(netdev, "Failed to add MAC filters\n");
		/* If there is no more space for new umac filters, VSI
		 * should go into promiscuous mode. There should be some
		 * space reserved for promiscuous filters.
		 */
		if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC &&
		    !test_and_set_bit(__ICE_FLTR_OVERFLOW_PROMISC,
				      vsi->state)) {
			promisc_forced_on = true;
			netdev_warn(netdev,
				    "Reached MAC filter limit, forcing promisc mode on VSI %d\n",
				    vsi->vsi_num);
		} else {
			err = -EIO;
			goto out;
		}
	}
	/* check for changes in promiscuous modes */
	if (changed_flags & IFF_ALLMULTI) {
		if (vsi->current_netdev_flags & IFF_ALLMULTI) {
			if (vsi->vlan_ena)
				promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
			else
				promisc_m = ICE_MCAST_PROMISC_BITS;

			err = ice_cfg_promisc(vsi, promisc_m, true);
			if (err) {
				netdev_err(netdev, "Error setting Multicast promiscuous mode on VSI %i\n",
					   vsi->vsi_num);
				vsi->current_netdev_flags &= ~IFF_ALLMULTI;
				goto out_promisc;
			}
		} else if (!(vsi->current_netdev_flags & IFF_ALLMULTI)) {
			if (vsi->vlan_ena)
				promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
			else
				promisc_m = ICE_MCAST_PROMISC_BITS;

			err = ice_cfg_promisc(vsi, promisc_m, false);
			if (err) {
				netdev_err(netdev, "Error clearing Multicast promiscuous mode on VSI %i\n",
					   vsi->vsi_num);
				vsi->current_netdev_flags |= IFF_ALLMULTI;
				goto out_promisc;
			}
		}
	}

	if (((changed_flags & IFF_PROMISC) || promisc_forced_on) ||
	    test_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags)) {
		clear_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags);
		if (vsi->current_netdev_flags & IFF_PROMISC) {
			/* Apply Rx filter rule to get traffic from wire */
			if (!ice_is_dflt_vsi_in_use(pf->first_sw)) {
				err = ice_set_dflt_vsi(pf->first_sw, vsi);
				if (err && err != -EEXIST) {
					netdev_err(netdev,
						   "Error %d setting default VSI %i Rx rule\n",
						   err, vsi->vsi_num);
					vsi->current_netdev_flags &=
						~IFF_PROMISC;
					goto out_promisc;
				}
			}
		} else {
			/* Clear Rx filter to remove traffic from wire */
			if (ice_is_vsi_dflt_vsi(pf->first_sw, vsi)) {
				err = ice_clear_dflt_vsi(pf->first_sw);
				if (err) {
					netdev_err(netdev,
						   "Error %d clearing default VSI %i Rx rule\n",
						   err, vsi->vsi_num);
					vsi->current_netdev_flags |=
						IFF_PROMISC;
					goto out_promisc;
				}
			}
		}
	}
	goto exit;

out_promisc:
	set_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags);
	goto exit;
out:
	/* if something went wrong then set the changed flag so we try again */
	set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags);
	set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags);
exit:
	clear_bit(__ICE_CFG_BUSY, vsi->state);
	return err;
}

/**
 * ice_sync_fltr_subtask - Sync the VSI filter list with HW
 * @pf: board private structure
 */
static void ice_sync_fltr_subtask(struct ice_pf *pf)
{
	int v;

	if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags)))
		return;

	clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags);

	ice_for_each_vsi(pf, v)
		if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) &&
		    ice_vsi_sync_fltr(pf->vsi[v])) {
			/* come back and try again later */
			set_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
			break;
		}
}

/**
 * ice_pf_dis_all_vsi - Pause all VSIs on a PF
 * @pf: the PF
 * @locked: is the rtnl_lock already held
 */
static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked)
{
	int v;

	ice_for_each_vsi(pf, v)
		if (pf->vsi[v])
			ice_dis_vsi(pf->vsi[v], locked);
}

/**
 * ice_prepare_for_reset - prep for the core to reset
 * @pf: board private structure
 *
 * Inform or close all dependent features in prep for reset.
 */
static void
ice_prepare_for_reset(struct ice_pf *pf)
{
	struct ice_hw *hw = &pf->hw;
	int i;

	/* already prepared for reset */
	if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
		return;

	/* Notify VFs of impending reset */
	if (ice_check_sq_alive(hw, &hw->mailboxq))
		ice_vc_notify_reset(pf);

	/* Disable VFs until reset is completed */
	ice_for_each_vf(pf, i)
		ice_set_vf_state_qs_dis(&pf->vf[i]);

	/* clear SW filtering DB */
	ice_clear_hw_tbls(hw);
	/* disable the VSIs and their queues that are not already DOWN */
	ice_pf_dis_all_vsi(pf, false);

	if (hw->port_info)
		ice_sched_clear_port(hw->port_info);

	ice_shutdown_all_ctrlq(hw);

	set_bit(__ICE_PREPARED_FOR_RESET, pf->state);
}

/**
 * ice_do_reset - Initiate one of many types of resets
 * @pf: board private structure
 * @reset_type: reset type requested
 * before this function was called.
 */
static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
{
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_hw *hw = &pf->hw;

	dev_dbg(dev, "reset_type 0x%x requested\n", reset_type);
	WARN_ON(in_interrupt());

	ice_prepare_for_reset(pf);

	/* trigger the reset */
	if (ice_reset(hw, reset_type)) {
		dev_err(dev, "reset %d failed\n", reset_type);
		set_bit(__ICE_RESET_FAILED, pf->state);
		clear_bit(__ICE_RESET_OICR_RECV, pf->state);
		clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
		clear_bit(__ICE_PFR_REQ, pf->state);
		clear_bit(__ICE_CORER_REQ, pf->state);
		clear_bit(__ICE_GLOBR_REQ, pf->state);
		return;
	}

	/* PFR is a bit of a special case because it doesn't result in an OICR
	 * interrupt. So for PFR, rebuild after the reset and clear the reset-
	 * associated state bits.
	 */
	if (reset_type == ICE_RESET_PFR) {
		pf->pfr_count++;
		ice_rebuild(pf, reset_type);
		clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
		clear_bit(__ICE_PFR_REQ, pf->state);
		ice_reset_all_vfs(pf, true);
	}
}

/**
 * ice_reset_subtask - Set up for resetting the device and driver
 * @pf: board private structure
 */
static void ice_reset_subtask(struct ice_pf *pf)
{
	enum ice_reset_req reset_type = ICE_RESET_INVAL;

	/* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an
	 * OICR interrupt. The OICR handler (ice_misc_intr) determines what type
	 * of reset is pending and sets bits in pf->state indicating the reset
	 * type and __ICE_RESET_OICR_RECV. So, if the latter bit is set
	 * prepare for pending reset if not already (for PF software-initiated
	 * global resets the software should already be prepared for it as
	 * indicated by __ICE_PREPARED_FOR_RESET; for global resets initiated
	 * by firmware or software on other PFs, that bit is not set so prepare
	 * for the reset now), poll for reset done, rebuild and return.
	 */
	if (test_bit(__ICE_RESET_OICR_RECV, pf->state)) {
		/* Perform the largest reset requested */
		if (test_and_clear_bit(__ICE_CORER_RECV, pf->state))
			reset_type = ICE_RESET_CORER;
		if (test_and_clear_bit(__ICE_GLOBR_RECV, pf->state))
			reset_type = ICE_RESET_GLOBR;
		if (test_and_clear_bit(__ICE_EMPR_RECV, pf->state))
			reset_type = ICE_RESET_EMPR;
		/* return if no valid reset type requested */
		if (reset_type == ICE_RESET_INVAL)
			return;
		ice_prepare_for_reset(pf);

		/* make sure we are ready to rebuild */
		if (ice_check_reset(&pf->hw)) {
			set_bit(__ICE_RESET_FAILED, pf->state);
		} else {
			/* done with reset. start rebuild */
			pf->hw.reset_ongoing = false;
			ice_rebuild(pf, reset_type);
			/* clear bit to resume normal operations, but
			 * ICE_NEEDS_RESTART bit is set in case rebuild failed
			 */
			clear_bit(__ICE_RESET_OICR_RECV, pf->state);
			clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
			clear_bit(__ICE_PFR_REQ, pf->state);
			clear_bit(__ICE_CORER_REQ, pf->state);
			clear_bit(__ICE_GLOBR_REQ, pf->state);
			ice_reset_all_vfs(pf, true);
		}

		return;
	}

	/* No pending resets to finish processing. Check for new resets */
	if (test_bit(__ICE_PFR_REQ, pf->state))
		reset_type = ICE_RESET_PFR;
	if (test_bit(__ICE_CORER_REQ, pf->state))
		reset_type = ICE_RESET_CORER;
	if (test_bit(__ICE_GLOBR_REQ, pf->state))
		reset_type = ICE_RESET_GLOBR;
	/* If no valid reset type requested just return */
	if (reset_type == ICE_RESET_INVAL)
		return;

	/* reset if not already down or busy */
	if (!test_bit(__ICE_DOWN, pf->state) &&
	    !test_bit(__ICE_CFG_BUSY, pf->state)) {
		ice_do_reset(pf, reset_type);
	}
}

/**
 * ice_print_topo_conflict - print topology conflict message
 * @vsi: the VSI whose topology status is being checked
 */
static void ice_print_topo_conflict(struct ice_vsi *vsi)
{
	switch (vsi->port_info->phy.link_info.topo_media_conflict) {
	case ICE_AQ_LINK_TOPO_CONFLICT:
	case ICE_AQ_LINK_MEDIA_CONFLICT:
	case ICE_AQ_LINK_TOPO_UNREACH_PRT:
	case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT:
	case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA:
		netdev_info(vsi->netdev, "Possible mis-configuration of the Ethernet port detected, please use the Intel(R) Ethernet Port Configuration Tool application to address the issue.\n");
		break;
	case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA:
		netdev_info(vsi->netdev, "Rx/Tx is disabled on this device because an unsupported module type was detected. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules.\n");
		break;
	default:
		break;
	}
}

/**
 * ice_print_link_msg - print link up or down message
 * @vsi: the VSI whose link status is being queried
 * @isup: boolean for if the link is now up or down
 */
void ice_print_link_msg(struct ice_vsi *vsi, bool isup)
{
	struct ice_aqc_get_phy_caps_data *caps;
	enum ice_status status;
	const char *fec_req;
	const char *speed;
	const char *fec;
	const char *fc;
	const char *an;

	if (!vsi)
		return;

	if (vsi->current_isup == isup)
		return;

	vsi->current_isup = isup;

	if (!isup) {
		netdev_info(vsi->netdev, "NIC Link is Down\n");
		return;
	}

	switch (vsi->port_info->phy.link_info.link_speed) {
	case ICE_AQ_LINK_SPEED_100GB:
		speed = "100 G";
		break;
	case ICE_AQ_LINK_SPEED_50GB:
		speed = "50 G";
		break;
	case ICE_AQ_LINK_SPEED_40GB:
		speed = "40 G";
		break;
	case ICE_AQ_LINK_SPEED_25GB:
		speed = "25 G";
		break;
	case ICE_AQ_LINK_SPEED_20GB:
		speed = "20 G";
		break;
	case ICE_AQ_LINK_SPEED_10GB:
		speed = "10 G";
		break;
	case ICE_AQ_LINK_SPEED_5GB:
		speed = "5 G";
		break;
	case ICE_AQ_LINK_SPEED_2500MB:
		speed = "2.5 G";
		break;
	case ICE_AQ_LINK_SPEED_1000MB:
		speed = "1 G";
		break;
	case ICE_AQ_LINK_SPEED_100MB:
		speed = "100 M";
		break;
	default:
		speed = "Unknown";
		break;
	}

	switch (vsi->port_info->fc.current_mode) {
	case ICE_FC_FULL:
		fc = "Rx/Tx";
		break;
	case ICE_FC_TX_PAUSE:
		fc = "Tx";
		break;
	case ICE_FC_RX_PAUSE:
		fc = "Rx";
		break;
	case ICE_FC_NONE:
		fc = "None";
		break;
	default:
		fc = "Unknown";
		break;
	}

	/* Get FEC mode based on negotiated link info */
	switch (vsi->port_info->phy.link_info.fec_info) {
	case ICE_AQ_LINK_25G_RS_528_FEC_EN:
		/* fall through */
	case ICE_AQ_LINK_25G_RS_544_FEC_EN:
		fec = "RS-FEC";
		break;
	case ICE_AQ_LINK_25G_KR_FEC_EN:
		fec = "FC-FEC/BASE-R";
		break;
	default:
		fec = "NONE";
		break;
	}

	/* check if autoneg completed, might be false due to not supported */
	if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)
		an = "True";
	else
		an = "False";

	/* Get FEC mode requested based on PHY caps last SW configuration */
	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
	if (!caps) {
		fec_req = "Unknown";
		goto done;
	}

	status = ice_aq_get_phy_caps(vsi->port_info, false,
				     ICE_AQC_REPORT_SW_CFG, caps, NULL);
	if (status)
		netdev_info(vsi->netdev, "Get phy capability failed.\n");

	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
		fec_req = "RS-FEC";
	else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
		 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
		fec_req = "FC-FEC/BASE-R";
	else
		fec_req = "NONE";

	kfree(caps);

done:
	netdev_info(vsi->netdev, "NIC Link is up %sbps, Requested FEC: %s, FEC: %s, Autoneg: %s, Flow Control: %s\n",
		    speed, fec_req, fec, an, fc);
	ice_print_topo_conflict(vsi);
}

/**
 * ice_vsi_link_event - update the VSI's netdev
 * @vsi: the VSI on which the link event occurred
 * @link_up: whether or not the VSI needs to be set up or down
 */
static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up)
{
	if (!vsi)
		return;

	if (test_bit(__ICE_DOWN, vsi->state) || !vsi->netdev)
		return;

	if (vsi->type == ICE_VSI_PF) {
		if (link_up == netif_carrier_ok(vsi->netdev))
			return;

		if (link_up) {
			netif_carrier_on(vsi->netdev);
			netif_tx_wake_all_queues(vsi->netdev);
		} else {
			netif_carrier_off(vsi->netdev);
			netif_tx_stop_all_queues(vsi->netdev);
		}
	}
}

/**
 * ice_link_event - process the link event
 * @pf: PF that the link event is associated with
 * @pi: port_info for the port that the link event is associated with
 * @link_up: true if the physical link is up and false if it is down
 * @link_speed: current link speed received from the link event
 *
 * Returns 0 on success and negative on failure
 */
static int
ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up,
	       u16 link_speed)
{
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_phy_info *phy_info;
	struct ice_vsi *vsi;
	u16 old_link_speed;
	bool old_link;
	int result;

	phy_info = &pi->phy;
	phy_info->link_info_old = phy_info->link_info;

	old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP);
	old_link_speed = phy_info->link_info_old.link_speed;

	/* update the link info structures and re-enable link events,
	 * don't bail on failure due to other book keeping needed
	 */
	result = ice_update_link_info(pi);
	if (result)
		dev_dbg(dev,
			"Failed to update link status and re-enable link events for port %d\n",
			pi->lport);

	/* if the old link up/down and speed is the same as the new */
	if (link_up == old_link && link_speed == old_link_speed)
		return result;

	vsi = ice_get_main_vsi(pf);
	if (!vsi || !vsi->port_info)
		return -EINVAL;

	/* turn off PHY if media was removed */
	if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) &&
	    !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) {
		set_bit(ICE_FLAG_NO_MEDIA, pf->flags);

		result = ice_aq_set_link_restart_an(pi, false, NULL);
		if (result) {
			dev_dbg(dev,
				"Failed to set link down, VSI %d error %d\n",
				vsi->vsi_num, result);
			return result;
		}
	}

	ice_vsi_link_event(vsi, link_up);
	ice_print_link_msg(vsi, link_up);

	ice_vc_notify_link_state(pf);

	return result;
}

/**
 * ice_watchdog_subtask - periodic tasks not using event driven scheduling
 * @pf: board private structure
 */
static void ice_watchdog_subtask(struct ice_pf *pf)
{
	int i;

	/* if interface is down do nothing */
	if (test_bit(__ICE_DOWN, pf->state) ||
	    test_bit(__ICE_CFG_BUSY, pf->state))
		return;

	/* make sure we don't do these things too often */
	if (time_before(jiffies,
			pf->serv_tmr_prev + pf->serv_tmr_period))
		return;

	pf->serv_tmr_prev = jiffies;

	/* Update the stats for active netdevs so the network stack
	 * can look at updated numbers whenever it cares to
	 */
	ice_update_pf_stats(pf);
	ice_for_each_vsi(pf, i)
		if (pf->vsi[i] && pf->vsi[i]->netdev)
			ice_update_vsi_stats(pf->vsi[i]);
}

/**
 * ice_init_link_events - enable/initialize link events
 * @pi: pointer to the port_info instance
 *
 * Returns -EIO on failure, 0 on success
 */
static int ice_init_link_events(struct ice_port_info *pi)
{
	u16 mask;

	mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA |
		       ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL));

	if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) {
		dev_dbg(ice_hw_to_dev(pi->hw),
			"Failed to set link event mask for port %d\n",
			pi->lport);
		return -EIO;
	}

	if (ice_aq_get_link_info(pi, true, NULL, NULL)) {
		dev_dbg(ice_hw_to_dev(pi->hw),
			"Failed to enable link events for port %d\n",
			pi->lport);
		return -EIO;
	}

	return 0;
}

/**
 * ice_handle_link_event - handle link event via ARQ
 * @pf: PF that the link event is associated with
 * @event: event structure containing link status info
 */
static int
ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event)
{
	struct ice_aqc_get_link_status_data *link_data;
	struct ice_port_info *port_info;
	int status;

	link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf;
	port_info = pf->hw.port_info;
	if (!port_info)
		return -EINVAL;

	status = ice_link_event(pf, port_info,
				!!(link_data->link_info & ICE_AQ_LINK_UP),
				le16_to_cpu(link_data->link_speed));
	if (status)
		dev_dbg(ice_pf_to_dev(pf),
			"Could not process link event, error %d\n", status);

	return status;
}

/**
 * __ice_clean_ctrlq - helper function to clean controlq rings
 * @pf: ptr to struct ice_pf
 * @q_type: specific Control queue type
 */
static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
{
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_rq_event_info event;
	struct ice_hw *hw = &pf->hw;
	struct ice_ctl_q_info *cq;
	u16 pending, i = 0;
	const char *qtype;
	u32 oldval, val;

	/* Do not clean control queue if/when PF reset fails */
	if (test_bit(__ICE_RESET_FAILED, pf->state))
		return 0;

	switch (q_type) {
	case ICE_CTL_Q_ADMIN:
		cq = &hw->adminq;
		qtype = "Admin";
		break;
	case ICE_CTL_Q_MAILBOX:
		cq = &hw->mailboxq;
		qtype = "Mailbox";
		break;
	default:
		dev_warn(dev, "Unknown control queue type 0x%x\n", q_type);
		return 0;
	}

	/* check for error indications - PF_xx_AxQLEN register layout for
	 * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN.
	 */
	val = rd32(hw, cq->rq.len);
	if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M |
		   PF_FW_ARQLEN_ARQCRIT_M)) {
		oldval = val;
		if (val & PF_FW_ARQLEN_ARQVFE_M)
			dev_dbg(dev, "%s Receive Queue VF Error detected\n",
				qtype);
		if (val & PF_FW_ARQLEN_ARQOVFL_M) {
			dev_dbg(dev,
				"%s Receive Queue Overflow Error detected\n",
				qtype);
		}
		if (val & PF_FW_ARQLEN_ARQCRIT_M)
			dev_dbg(dev,
				"%s Receive Queue Critical Error detected\n",
				qtype);
		val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M |
			 PF_FW_ARQLEN_ARQCRIT_M);
		if (oldval != val)
			wr32(hw, cq->rq.len, val);
	}

	val = rd32(hw, cq->sq.len);
	if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M |
		   PF_FW_ATQLEN_ATQCRIT_M)) {
		oldval = val;
		if (val & PF_FW_ATQLEN_ATQVFE_M)
			dev_dbg(dev,
				"%s Send Queue VF Error detected\n", qtype);
		if (val & PF_FW_ATQLEN_ATQOVFL_M) {
			dev_dbg(dev, "%s Send Queue Overflow Error detected\n",
				qtype);
		}
		if (val & PF_FW_ATQLEN_ATQCRIT_M)
			dev_dbg(dev, "%s Send Queue Critical Error detected\n",
				qtype);
		val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M |
			 PF_FW_ATQLEN_ATQCRIT_M);
		if (oldval != val)
			wr32(hw, cq->sq.len, val);
	}

	event.buf_len = cq->rq_buf_size;
	event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL);
	if (!event.msg_buf)
		return 0;

	do {
		enum ice_status ret;
		u16 opcode;

		ret = ice_clean_rq_elem(hw, cq, &event, &pending);
		if (ret == ICE_ERR_AQ_NO_WORK)
			break;
		if (ret) {
			dev_err(dev, "%s Receive Queue event error %d\n", qtype,
				ret);
			break;
		}

		opcode = le16_to_cpu(event.desc.opcode);

		switch (opcode) {
		case ice_aqc_opc_get_link_status:
			if (ice_handle_link_event(pf, &event))
				dev_err(dev, "Could not handle link event\n");
			break;
		case ice_mbx_opc_send_msg_to_pf:
			ice_vc_process_vf_msg(pf, &event);
			break;
		case ice_aqc_opc_fw_logging:
			ice_output_fw_log(hw, &event.desc, event.msg_buf);
			break;
		case ice_aqc_opc_lldp_set_mib_change:
			ice_dcb_process_lldp_set_mib_change(pf, &event);
			break;
		default:
			dev_dbg(dev,
				"%s Receive Queue unknown event 0x%04x ignored\n",
				qtype, opcode);
			break;
		}
	} while (pending && (i++ < ICE_DFLT_IRQ_WORK));

	kfree(event.msg_buf);

	return pending && (i == ICE_DFLT_IRQ_WORK);
}

/**
 * ice_ctrlq_pending - check if there is a difference between ntc and ntu
 * @hw: pointer to hardware info
 * @cq: control queue information
 *
 * returns true if there are pending messages in a queue, false if there aren't
 */
static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq)
{
	u16 ntu;

	ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask);
	return cq->rq.next_to_clean != ntu;
}

/**
 * ice_clean_adminq_subtask - clean the AdminQ rings
 * @pf: board private structure
 */
static void ice_clean_adminq_subtask(struct ice_pf *pf)
{
	struct ice_hw *hw = &pf->hw;

	if (!test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state))
		return;

	if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN))
		return;

	clear_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);

	/* There might be a situation where new messages arrive to a control
	 * queue between processing the last message and clearing the
	 * EVENT_PENDING bit. So before exiting, check queue head again (using
	 * ice_ctrlq_pending) and process new messages if any.
	 */
	if (ice_ctrlq_pending(hw, &hw->adminq))
		__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN);

	ice_flush(hw);
}

/**
 * ice_clean_mailboxq_subtask - clean the MailboxQ rings
 * @pf: board private structure
 */
static void ice_clean_mailboxq_subtask(struct ice_pf *pf)
{
	struct ice_hw *hw = &pf->hw;

	if (!test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state))
		return;

	if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX))
		return;

	clear_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state);

	if (ice_ctrlq_pending(hw, &hw->mailboxq))
		__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX);

	ice_flush(hw);
}

/**
 * ice_service_task_schedule - schedule the service task to wake up
 * @pf: board private structure
 *
 * If not already scheduled, this puts the task into the work queue.
 */
static void ice_service_task_schedule(struct ice_pf *pf)
{
	if (!test_bit(__ICE_SERVICE_DIS, pf->state) &&
	    !test_and_set_bit(__ICE_SERVICE_SCHED, pf->state) &&
	    !test_bit(__ICE_NEEDS_RESTART, pf->state))
		queue_work(ice_wq, &pf->serv_task);
}

/**
 * ice_service_task_complete - finish up the service task
 * @pf: board private structure
 */
static void ice_service_task_complete(struct ice_pf *pf)
{
	WARN_ON(!test_bit(__ICE_SERVICE_SCHED, pf->state));

	/* force memory (pf->state) to sync before next service task */
	smp_mb__before_atomic();
	clear_bit(__ICE_SERVICE_SCHED, pf->state);
}

/**
 * ice_service_task_stop - stop service task and cancel works
 * @pf: board private structure
 */
static void ice_service_task_stop(struct ice_pf *pf)
{
	set_bit(__ICE_SERVICE_DIS, pf->state);

	if (pf->serv_tmr.function)
		del_timer_sync(&pf->serv_tmr);
	if (pf->serv_task.func)
		cancel_work_sync(&pf->serv_task);

	clear_bit(__ICE_SERVICE_SCHED, pf->state);
}

/**
 * ice_service_task_restart - restart service task and schedule works
 * @pf: board private structure
 *
 * This function is needed for suspend and resume works (e.g WoL scenario)
 */
static void ice_service_task_restart(struct ice_pf *pf)
{
	clear_bit(__ICE_SERVICE_DIS, pf->state);
	ice_service_task_schedule(pf);
}

/**
 * ice_service_timer - timer callback to schedule service task
 * @t: pointer to timer_list
 */
static void ice_service_timer(struct timer_list *t)
{
	struct ice_pf *pf = from_timer(pf, t, serv_tmr);

	mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies));
	ice_service_task_schedule(pf);
}

/**
 * ice_handle_mdd_event - handle malicious driver detect event
 * @pf: pointer to the PF structure
 *
 * Called from service task. OICR interrupt handler indicates MDD event
 */
static void ice_handle_mdd_event(struct ice_pf *pf)
{
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_hw *hw = &pf->hw;
	bool mdd_detected = false;
	u32 reg;
	int i;

	if (!test_and_clear_bit(__ICE_MDD_EVENT_PENDING, pf->state))
		return;

	/* find what triggered the MDD event */
	reg = rd32(hw, GL_MDET_TX_PQM);
	if (reg & GL_MDET_TX_PQM_VALID_M) {
		u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >>
				GL_MDET_TX_PQM_PF_NUM_S;
		u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >>
				GL_MDET_TX_PQM_VF_NUM_S;
		u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >>
				GL_MDET_TX_PQM_MAL_TYPE_S;
		u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >>
				GL_MDET_TX_PQM_QNUM_S);

		if (netif_msg_tx_err(pf))
			dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n",
				 event, queue, pf_num, vf_num);
		wr32(hw, GL_MDET_TX_PQM, 0xffffffff);
		mdd_detected = true;
	}

	reg = rd32(hw, GL_MDET_TX_TCLAN);
	if (reg & GL_MDET_TX_TCLAN_VALID_M) {
		u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >>
				GL_MDET_TX_TCLAN_PF_NUM_S;
		u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >>
				GL_MDET_TX_TCLAN_VF_NUM_S;
		u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >>
				GL_MDET_TX_TCLAN_MAL_TYPE_S;
		u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >>
				GL_MDET_TX_TCLAN_QNUM_S);

		if (netif_msg_rx_err(pf))
			dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n",
				 event, queue, pf_num, vf_num);
		wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff);
		mdd_detected = true;
	}

	reg = rd32(hw, GL_MDET_RX);
	if (reg & GL_MDET_RX_VALID_M) {
		u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >>
				GL_MDET_RX_PF_NUM_S;
		u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >>
				GL_MDET_RX_VF_NUM_S;
		u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >>
				GL_MDET_RX_MAL_TYPE_S;
		u16 queue = ((reg & GL_MDET_RX_QNUM_M) >>
				GL_MDET_RX_QNUM_S);

		if (netif_msg_rx_err(pf))
			dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n",
				 event, queue, pf_num, vf_num);
		wr32(hw, GL_MDET_RX, 0xffffffff);
		mdd_detected = true;
	}

	if (mdd_detected) {
		bool pf_mdd_detected = false;

		reg = rd32(hw, PF_MDET_TX_PQM);
		if (reg & PF_MDET_TX_PQM_VALID_M) {
			wr32(hw, PF_MDET_TX_PQM, 0xFFFF);
			dev_info(dev, "TX driver issue detected, PF reset issued\n");
			pf_mdd_detected = true;
		}

		reg = rd32(hw, PF_MDET_TX_TCLAN);
		if (reg & PF_MDET_TX_TCLAN_VALID_M) {
			wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF);
			dev_info(dev, "TX driver issue detected, PF reset issued\n");
			pf_mdd_detected = true;
		}

		reg = rd32(hw, PF_MDET_RX);
		if (reg & PF_MDET_RX_VALID_M) {
			wr32(hw, PF_MDET_RX, 0xFFFF);
			dev_info(dev, "RX driver issue detected, PF reset issued\n");
			pf_mdd_detected = true;
		}
		/* Queue belongs to the PF initiate a reset */
		if (pf_mdd_detected) {
			set_bit(__ICE_NEEDS_RESTART, pf->state);
			ice_service_task_schedule(pf);
		}
	}

	/* check to see if one of the VFs caused the MDD */
	ice_for_each_vf(pf, i) {
		struct ice_vf *vf = &pf->vf[i];

		bool vf_mdd_detected = false;

		reg = rd32(hw, VP_MDET_TX_PQM(i));
		if (reg & VP_MDET_TX_PQM_VALID_M) {
			wr32(hw, VP_MDET_TX_PQM(i), 0xFFFF);
			vf_mdd_detected = true;
			dev_info(dev, "TX driver issue detected on VF %d\n",
				 i);
		}

		reg = rd32(hw, VP_MDET_TX_TCLAN(i));
		if (reg & VP_MDET_TX_TCLAN_VALID_M) {
			wr32(hw, VP_MDET_TX_TCLAN(i), 0xFFFF);
			vf_mdd_detected = true;
			dev_info(dev, "TX driver issue detected on VF %d\n",
				 i);
		}

		reg = rd32(hw, VP_MDET_TX_TDPU(i));
		if (reg & VP_MDET_TX_TDPU_VALID_M) {
			wr32(hw, VP_MDET_TX_TDPU(i), 0xFFFF);
			vf_mdd_detected = true;
			dev_info(dev, "TX driver issue detected on VF %d\n",
				 i);
		}

		reg = rd32(hw, VP_MDET_RX(i));
		if (reg & VP_MDET_RX_VALID_M) {
			wr32(hw, VP_MDET_RX(i), 0xFFFF);
			vf_mdd_detected = true;
			dev_info(dev, "RX driver issue detected on VF %d\n",
				 i);
		}

		if (vf_mdd_detected) {
			vf->num_mdd_events++;
			if (vf->num_mdd_events &&
			    vf->num_mdd_events <= ICE_MDD_EVENTS_THRESHOLD)
				dev_info(dev,
					 "VF %d has had %llu MDD events since last boot, Admin might need to reload AVF driver with this number of events\n",
					 i, vf->num_mdd_events);
		}
	}
}

/**
 * ice_force_phys_link_state - Force the physical link state
 * @vsi: VSI to force the physical link state to up/down
 * @link_up: true/false indicates to set the physical link to up/down
 *
 * Force the physical link state by getting the current PHY capabilities from
 * hardware and setting the PHY config based on the determined capabilities. If
 * link changes a link event will be triggered because both the Enable Automatic
 * Link Update and LESM Enable bits are set when setting the PHY capabilities.
 *
 * Returns 0 on success, negative on failure
 */
static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up)
{
	struct ice_aqc_get_phy_caps_data *pcaps;
	struct ice_aqc_set_phy_cfg_data *cfg;
	struct ice_port_info *pi;
	struct device *dev;
	int retcode;

	if (!vsi || !vsi->port_info || !vsi->back)
		return -EINVAL;
	if (vsi->type != ICE_VSI_PF)
		return 0;

	dev = &vsi->back->pdev->dev;

	pi = vsi->port_info;

	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
	if (!pcaps)
		return -ENOMEM;

	retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
				      NULL);
	if (retcode) {
		dev_err(dev,
			"Failed to get phy capabilities, VSI %d error %d\n",
			vsi->vsi_num, retcode);
		retcode = -EIO;
		goto out;
	}

	/* No change in link */
	if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) &&
	    link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP))
		goto out;

	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
	if (!cfg) {
		retcode = -ENOMEM;
		goto out;
	}

	cfg->phy_type_low = pcaps->phy_type_low;
	cfg->phy_type_high = pcaps->phy_type_high;
	cfg->caps = pcaps->caps | ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
	cfg->low_power_ctrl = pcaps->low_power_ctrl;
	cfg->eee_cap = pcaps->eee_cap;
	cfg->eeer_value = pcaps->eeer_value;
	cfg->link_fec_opt = pcaps->link_fec_options;
	if (link_up)
		cfg->caps |= ICE_AQ_PHY_ENA_LINK;
	else
		cfg->caps &= ~ICE_AQ_PHY_ENA_LINK;

	retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi->lport, cfg, NULL);
	if (retcode) {
		dev_err(dev, "Failed to set phy config, VSI %d error %d\n",
			vsi->vsi_num, retcode);
		retcode = -EIO;
	}

	kfree(cfg);
out:
	kfree(pcaps);
	return retcode;
}

/**
 * ice_check_media_subtask - Check for media; bring link up if detected.
 * @pf: pointer to PF struct
 */
static void ice_check_media_subtask(struct ice_pf *pf)
{
	struct ice_port_info *pi;
	struct ice_vsi *vsi;
	int err;

	vsi = ice_get_main_vsi(pf);
	if (!vsi)
		return;

	/* No need to check for media if it's already present or the interface
	 * is down
	 */
	if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) ||
	    test_bit(__ICE_DOWN, vsi->state))
		return;

	/* Refresh link info and check if media is present */
	pi = vsi->port_info;
	err = ice_update_link_info(pi);
	if (err)
		return;

	if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) {
		err = ice_force_phys_link_state(vsi, true);
		if (err)
			return;
		clear_bit(ICE_FLAG_NO_MEDIA, pf->flags);

		/* A Link Status Event will be generated; the event handler
		 * will complete bringing the interface up
		 */
	}
}

/**
 * ice_service_task - manage and run subtasks
 * @work: pointer to work_struct contained by the PF struct
 */
static void ice_service_task(struct work_struct *work)
{
	struct ice_pf *pf = container_of(work, struct ice_pf, serv_task);
	unsigned long start_time = jiffies;

	/* subtasks */

	/* process reset requests first */
	ice_reset_subtask(pf);

	/* bail if a reset/recovery cycle is pending or rebuild failed */
	if (ice_is_reset_in_progress(pf->state) ||
	    test_bit(__ICE_SUSPENDED, pf->state) ||
	    test_bit(__ICE_NEEDS_RESTART, pf->state)) {
		ice_service_task_complete(pf);
		return;
	}

	ice_clean_adminq_subtask(pf);
	ice_check_media_subtask(pf);
	ice_check_for_hang_subtask(pf);
	ice_sync_fltr_subtask(pf);
	ice_handle_mdd_event(pf);
	ice_watchdog_subtask(pf);

	if (ice_is_safe_mode(pf)) {
		ice_service_task_complete(pf);
		return;
	}

	ice_process_vflr_event(pf);
	ice_clean_mailboxq_subtask(pf);

	/* Clear __ICE_SERVICE_SCHED flag to allow scheduling next event */
	ice_service_task_complete(pf);

	/* If the tasks have taken longer than one service timer period
	 * or there is more work to be done, reset the service timer to
	 * schedule the service task now.
	 */
	if (time_after(jiffies, (start_time + pf->serv_tmr_period)) ||
	    test_bit(__ICE_MDD_EVENT_PENDING, pf->state) ||
	    test_bit(__ICE_VFLR_EVENT_PENDING, pf->state) ||
	    test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state) ||
	    test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state))
		mod_timer(&pf->serv_tmr, jiffies);
}

/**
 * ice_set_ctrlq_len - helper function to set controlq length
 * @hw: pointer to the HW instance
 */
static void ice_set_ctrlq_len(struct ice_hw *hw)
{
	hw->adminq.num_rq_entries = ICE_AQ_LEN;
	hw->adminq.num_sq_entries = ICE_AQ_LEN;
	hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN;
	hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN;
	hw->mailboxq.num_rq_entries = ICE_MBXRQ_LEN;
	hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN;
	hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
	hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
}

/**
 * ice_schedule_reset - schedule a reset
 * @pf: board private structure
 * @reset: reset being requested
 */
int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset)
{
	struct device *dev = ice_pf_to_dev(pf);

	/* bail out if earlier reset has failed */
	if (test_bit(__ICE_RESET_FAILED, pf->state)) {
		dev_dbg(dev, "earlier reset has failed\n");
		return -EIO;
	}
	/* bail if reset/recovery already in progress */
	if (ice_is_reset_in_progress(pf->state)) {
		dev_dbg(dev, "Reset already in progress\n");
		return -EBUSY;
	}

	switch (reset) {
	case ICE_RESET_PFR:
		set_bit(__ICE_PFR_REQ, pf->state);
		break;
	case ICE_RESET_CORER:
		set_bit(__ICE_CORER_REQ, pf->state);
		break;
	case ICE_RESET_GLOBR:
		set_bit(__ICE_GLOBR_REQ, pf->state);
		break;
	default:
		return -EINVAL;
	}

	ice_service_task_schedule(pf);
	return 0;
}

/**
 * ice_irq_affinity_notify - Callback for affinity changes
 * @notify: context as to what irq was changed
 * @mask: the new affinity mask
 *
 * This is a callback function used by the irq_set_affinity_notifier function
 * so that we may register to receive changes to the irq affinity masks.
 */
static void
ice_irq_affinity_notify(struct irq_affinity_notify *notify,
			const cpumask_t *mask)
{
	struct ice_q_vector *q_vector =
		container_of(notify, struct ice_q_vector, affinity_notify);

	cpumask_copy(&q_vector->affinity_mask, mask);
}

/**
 * ice_irq_affinity_release - Callback for affinity notifier release
 * @ref: internal core kernel usage
 *
 * This is a callback function used by the irq_set_affinity_notifier function
 * to inform the current notification subscriber that they will no longer
 * receive notifications.
 */
static void ice_irq_affinity_release(struct kref __always_unused *ref) {}

/**
 * ice_vsi_ena_irq - Enable IRQ for the given VSI
 * @vsi: the VSI being configured
 */
static int ice_vsi_ena_irq(struct ice_vsi *vsi)
{
	struct ice_hw *hw = &vsi->back->hw;
	int i;

	ice_for_each_q_vector(vsi, i)
		ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]);

	ice_flush(hw);
	return 0;
}

/**
 * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI
 * @vsi: the VSI being configured
 * @basename: name for the vector
 */
static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename)
{
	int q_vectors = vsi->num_q_vectors;
	struct ice_pf *pf = vsi->back;
	int base = vsi->base_vector;
	struct device *dev;
	int rx_int_idx = 0;
	int tx_int_idx = 0;
	int vector, err;
	int irq_num;

	dev = ice_pf_to_dev(pf);
	for (vector = 0; vector < q_vectors; vector++) {
		struct ice_q_vector *q_vector = vsi->q_vectors[vector];

		irq_num = pf->msix_entries[base + vector].vector;

		if (q_vector->tx.ring && q_vector->rx.ring) {
			snprintf(q_vector->name, sizeof(q_vector->name) - 1,
				 "%s-%s-%d", basename, "TxRx", rx_int_idx++);
			tx_int_idx++;
		} else if (q_vector->rx.ring) {
			snprintf(q_vector->name, sizeof(q_vector->name) - 1,
				 "%s-%s-%d", basename, "rx", rx_int_idx++);
		} else if (q_vector->tx.ring) {
			snprintf(q_vector->name, sizeof(q_vector->name) - 1,
				 "%s-%s-%d", basename, "tx", tx_int_idx++);
		} else {
			/* skip this unused q_vector */
			continue;
		}
		err = devm_request_irq(dev, irq_num, vsi->irq_handler, 0,
				       q_vector->name, q_vector);
		if (err) {
			netdev_err(vsi->netdev,
				   "MSIX request_irq failed, error: %d\n", err);
			goto free_q_irqs;
		}

		/* register for affinity change notifications */
		q_vector->affinity_notify.notify = ice_irq_affinity_notify;
		q_vector->affinity_notify.release = ice_irq_affinity_release;
		irq_set_affinity_notifier(irq_num, &q_vector->affinity_notify);

		/* assign the mask for this irq */
		irq_set_affinity_hint(irq_num, &q_vector->affinity_mask);
	}

	vsi->irqs_ready = true;
	return 0;

free_q_irqs:
	while (vector) {
		vector--;
		irq_num = pf->msix_entries[base + vector].vector,
		irq_set_affinity_notifier(irq_num, NULL);
		irq_set_affinity_hint(irq_num, NULL);
		devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]);
	}
	return err;
}

/**
 * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP
 * @vsi: VSI to setup Tx rings used by XDP
 *
 * Return 0 on success and negative value on error
 */
static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi)
{
	struct device *dev = &vsi->back->pdev->dev;
	int i;

	for (i = 0; i < vsi->num_xdp_txq; i++) {
		u16 xdp_q_idx = vsi->alloc_txq + i;
		struct ice_ring *xdp_ring;

		xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL);

		if (!xdp_ring)
			goto free_xdp_rings;

		xdp_ring->q_index = xdp_q_idx;
		xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx];
		xdp_ring->ring_active = false;
		xdp_ring->vsi = vsi;
		xdp_ring->netdev = NULL;
		xdp_ring->dev = dev;
		xdp_ring->count = vsi->num_tx_desc;
		vsi->xdp_rings[i] = xdp_ring;
		if (ice_setup_tx_ring(xdp_ring))
			goto free_xdp_rings;
		ice_set_ring_xdp(xdp_ring);
		xdp_ring->xsk_umem = ice_xsk_umem(xdp_ring);
	}

	return 0;

free_xdp_rings:
	for (; i >= 0; i--)
		if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc)
			ice_free_tx_ring(vsi->xdp_rings[i]);
	return -ENOMEM;
}

/**
 * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI
 * @vsi: VSI to set the bpf prog on
 * @prog: the bpf prog pointer
 */
static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog)
{
	struct bpf_prog *old_prog;
	int i;

	old_prog = xchg(&vsi->xdp_prog, prog);
	if (old_prog)
		bpf_prog_put(old_prog);

	ice_for_each_rxq(vsi, i)
		WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog);
}

/**
 * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP
 * @vsi: VSI to bring up Tx rings used by XDP
 * @prog: bpf program that will be assigned to VSI
 *
 * Return 0 on success and negative value on error
 */
int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog)
{
	u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
	int xdp_rings_rem = vsi->num_xdp_txq;
	struct ice_pf *pf = vsi->back;
	struct ice_qs_cfg xdp_qs_cfg = {
		.qs_mutex = &pf->avail_q_mutex,
		.pf_map = pf->avail_txqs,
		.pf_map_size = pf->max_pf_txqs,
		.q_count = vsi->num_xdp_txq,
		.scatter_count = ICE_MAX_SCATTER_TXQS,
		.vsi_map = vsi->txq_map,
		.vsi_map_offset = vsi->alloc_txq,
		.mapping_mode = ICE_VSI_MAP_CONTIG
	};
	enum ice_status status;
	struct device *dev;
	int i, v_idx;

	dev = ice_pf_to_dev(pf);
	vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq,
				      sizeof(*vsi->xdp_rings), GFP_KERNEL);
	if (!vsi->xdp_rings)
		return -ENOMEM;

	vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode;
	if (__ice_vsi_get_qs(&xdp_qs_cfg))
		goto err_map_xdp;

	if (ice_xdp_alloc_setup_rings(vsi))
		goto clear_xdp_rings;

	/* follow the logic from ice_vsi_map_rings_to_vectors */
	ice_for_each_q_vector(vsi, v_idx) {
		struct ice_q_vector *q_vector = vsi->q_vectors[v_idx];
		int xdp_rings_per_v, q_id, q_base;

		xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem,
					       vsi->num_q_vectors - v_idx);
		q_base = vsi->num_xdp_txq - xdp_rings_rem;

		for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) {
			struct ice_ring *xdp_ring = vsi->xdp_rings[q_id];

			xdp_ring->q_vector = q_vector;
			xdp_ring->next = q_vector->tx.ring;
			q_vector->tx.ring = xdp_ring;
		}
		xdp_rings_rem -= xdp_rings_per_v;
	}

	/* omit the scheduler update if in reset path; XDP queues will be
	 * taken into account at the end of ice_vsi_rebuild, where
	 * ice_cfg_vsi_lan is being called
	 */
	if (ice_is_reset_in_progress(pf->state))
		return 0;

	/* tell the Tx scheduler that right now we have
	 * additional queues
	 */
	for (i = 0; i < vsi->tc_cfg.numtc; i++)
		max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq;

	status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
				 max_txqs);
	if (status) {
		dev_err(dev, "Failed VSI LAN queue config for XDP, error:%d\n",
			status);
		goto clear_xdp_rings;
	}
	ice_vsi_assign_bpf_prog(vsi, prog);

	return 0;
clear_xdp_rings:
	for (i = 0; i < vsi->num_xdp_txq; i++)
		if (vsi->xdp_rings[i]) {
			kfree_rcu(vsi->xdp_rings[i], rcu);
			vsi->xdp_rings[i] = NULL;
		}

err_map_xdp:
	mutex_lock(&pf->avail_q_mutex);
	for (i = 0; i < vsi->num_xdp_txq; i++) {
		clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs);
		vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX;
	}
	mutex_unlock(&pf->avail_q_mutex);

	devm_kfree(dev, vsi->xdp_rings);
	return -ENOMEM;
}

/**
 * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings
 * @vsi: VSI to remove XDP rings
 *
 * Detach XDP rings from irq vectors, clean up the PF bitmap and free
 * resources
 */
int ice_destroy_xdp_rings(struct ice_vsi *vsi)
{
	u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
	struct ice_pf *pf = vsi->back;
	int i, v_idx;

	/* q_vectors are freed in reset path so there's no point in detaching
	 * rings; in case of rebuild being triggered not from reset reset bits
	 * in pf->state won't be set, so additionally check first q_vector
	 * against NULL
	 */
	if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0])
		goto free_qmap;

	ice_for_each_q_vector(vsi, v_idx) {
		struct ice_q_vector *q_vector = vsi->q_vectors[v_idx];
		struct ice_ring *ring;

		ice_for_each_ring(ring, q_vector->tx)
			if (!ring->tx_buf || !ice_ring_is_xdp(ring))
				break;

		/* restore the value of last node prior to XDP setup */
		q_vector->tx.ring = ring;
	}

free_qmap:
	mutex_lock(&pf->avail_q_mutex);
	for (i = 0; i < vsi->num_xdp_txq; i++) {
		clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs);
		vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX;
	}
	mutex_unlock(&pf->avail_q_mutex);

	for (i = 0; i < vsi->num_xdp_txq; i++)
		if (vsi->xdp_rings[i]) {
			if (vsi->xdp_rings[i]->desc)
				ice_free_tx_ring(vsi->xdp_rings[i]);
			kfree_rcu(vsi->xdp_rings[i], rcu);
			vsi->xdp_rings[i] = NULL;
		}

	devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings);
	vsi->xdp_rings = NULL;

	if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0])
		return 0;

	ice_vsi_assign_bpf_prog(vsi, NULL);

	/* notify Tx scheduler that we destroyed XDP queues and bring
	 * back the old number of child nodes
	 */
	for (i = 0; i < vsi->tc_cfg.numtc; i++)
		max_txqs[i] = vsi->num_txq;

	return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
			       max_txqs);
}

/**
 * ice_xdp_setup_prog - Add or remove XDP eBPF program
 * @vsi: VSI to setup XDP for
 * @prog: XDP program
 * @extack: netlink extended ack
 */
static int
ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog,
		   struct netlink_ext_ack *extack)
{
	int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD;
	bool if_running = netif_running(vsi->netdev);
	int ret = 0, xdp_ring_err = 0;

	if (frame_size > vsi->rx_buf_len) {
		NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP");
		return -EOPNOTSUPP;
	}

	/* need to stop netdev while setting up the program for Rx rings */
	if (if_running && !test_and_set_bit(__ICE_DOWN, vsi->state)) {
		ret = ice_down(vsi);
		if (ret) {
			NL_SET_ERR_MSG_MOD(extack,
					   "Preparing device for XDP attach failed");
			return ret;
		}
	}

	if (!ice_is_xdp_ena_vsi(vsi) && prog) {
		vsi->num_xdp_txq = vsi->alloc_txq;
		xdp_ring_err = ice_prepare_xdp_rings(vsi, prog);
		if (xdp_ring_err)
			NL_SET_ERR_MSG_MOD(extack,
					   "Setting up XDP Tx resources failed");
	} else if (ice_is_xdp_ena_vsi(vsi) && !prog) {
		xdp_ring_err = ice_destroy_xdp_rings(vsi);
		if (xdp_ring_err)
			NL_SET_ERR_MSG_MOD(extack,
					   "Freeing XDP Tx resources failed");
	} else {
		ice_vsi_assign_bpf_prog(vsi, prog);
	}

	if (if_running)
		ret = ice_up(vsi);

	if (!ret && prog && vsi->xsk_umems) {
		int i;

		ice_for_each_rxq(vsi, i) {
			struct ice_ring *rx_ring = vsi->rx_rings[i];

			if (rx_ring->xsk_umem)
				napi_schedule(&rx_ring->q_vector->napi);
		}
	}

	return (ret || xdp_ring_err) ? -ENOMEM : 0;
}

/**
 * ice_xdp - implements XDP handler
 * @dev: netdevice
 * @xdp: XDP command
 */
static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp)
{
	struct ice_netdev_priv *np = netdev_priv(dev);
	struct ice_vsi *vsi = np->vsi;

	if (vsi->type != ICE_VSI_PF) {
		NL_SET_ERR_MSG_MOD(xdp->extack,
				   "XDP can be loaded only on PF VSI");
		return -EINVAL;
	}

	switch (xdp->command) {
	case XDP_SETUP_PROG:
		return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack);
	case XDP_QUERY_PROG:
		xdp->prog_id = vsi->xdp_prog ? vsi->xdp_prog->aux->id : 0;
		return 0;
	case XDP_SETUP_XSK_UMEM:
		return ice_xsk_umem_setup(vsi, xdp->xsk.umem,
					  xdp->xsk.queue_id);
	default:
		return -EINVAL;
	}
}

/**
 * ice_ena_misc_vector - enable the non-queue interrupts
 * @pf: board private structure
 */
static void ice_ena_misc_vector(struct ice_pf *pf)
{
	struct ice_hw *hw = &pf->hw;
	u32 val;

	/* clear things first */
	wr32(hw, PFINT_OICR_ENA, 0);	/* disable all */
	rd32(hw, PFINT_OICR);		/* read to clear */

	val = (PFINT_OICR_ECC_ERR_M |
	       PFINT_OICR_MAL_DETECT_M |
	       PFINT_OICR_GRST_M |
	       PFINT_OICR_PCI_EXCEPTION_M |
	       PFINT_OICR_VFLR_M |
	       PFINT_OICR_HMC_ERR_M |
	       PFINT_OICR_PE_CRITERR_M);

	wr32(hw, PFINT_OICR_ENA, val);

	/* SW_ITR_IDX = 0, but don't change INTENA */
	wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
	     GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M);
}

/**
 * ice_misc_intr - misc interrupt handler
 * @irq: interrupt number
 * @data: pointer to a q_vector
 */
static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
{
	struct ice_pf *pf = (struct ice_pf *)data;
	struct ice_hw *hw = &pf->hw;
	irqreturn_t ret = IRQ_NONE;
	struct device *dev;
	u32 oicr, ena_mask;

	dev = ice_pf_to_dev(pf);
	set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
	set_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state);

	oicr = rd32(hw, PFINT_OICR);
	ena_mask = rd32(hw, PFINT_OICR_ENA);

	if (oicr & PFINT_OICR_SWINT_M) {
		ena_mask &= ~PFINT_OICR_SWINT_M;
		pf->sw_int_count++;
	}

	if (oicr & PFINT_OICR_MAL_DETECT_M) {
		ena_mask &= ~PFINT_OICR_MAL_DETECT_M;
		set_bit(__ICE_MDD_EVENT_PENDING, pf->state);
	}
	if (oicr & PFINT_OICR_VFLR_M) {
		ena_mask &= ~PFINT_OICR_VFLR_M;
		set_bit(__ICE_VFLR_EVENT_PENDING, pf->state);
	}

	if (oicr & PFINT_OICR_GRST_M) {
		u32 reset;

		/* we have a reset warning */
		ena_mask &= ~PFINT_OICR_GRST_M;
		reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >>
			GLGEN_RSTAT_RESET_TYPE_S;

		if (reset == ICE_RESET_CORER)
			pf->corer_count++;
		else if (reset == ICE_RESET_GLOBR)
			pf->globr_count++;
		else if (reset == ICE_RESET_EMPR)
			pf->empr_count++;
		else
			dev_dbg(dev, "Invalid reset type %d\n", reset);

		/* If a reset cycle isn't already in progress, we set a bit in
		 * pf->state so that the service task can start a reset/rebuild.
		 * We also make note of which reset happened so that peer
		 * devices/drivers can be informed.
		 */
		if (!test_and_set_bit(__ICE_RESET_OICR_RECV, pf->state)) {
			if (reset == ICE_RESET_CORER)
				set_bit(__ICE_CORER_RECV, pf->state);
			else if (reset == ICE_RESET_GLOBR)
				set_bit(__ICE_GLOBR_RECV, pf->state);
			else
				set_bit(__ICE_EMPR_RECV, pf->state);

			/* There are couple of different bits at play here.
			 * hw->reset_ongoing indicates whether the hardware is
			 * in reset. This is set to true when a reset interrupt
			 * is received and set back to false after the driver
			 * has determined that the hardware is out of reset.
			 *
			 * __ICE_RESET_OICR_RECV in pf->state indicates
			 * that a post reset rebuild is required before the
			 * driver is operational again. This is set above.
			 *
			 * As this is the start of the reset/rebuild cycle, set
			 * both to indicate that.
			 */
			hw->reset_ongoing = true;
		}
	}

	if (oicr & PFINT_OICR_HMC_ERR_M) {
		ena_mask &= ~PFINT_OICR_HMC_ERR_M;
		dev_dbg(dev, "HMC Error interrupt - info 0x%x, data 0x%x\n",
			rd32(hw, PFHMC_ERRORINFO),
			rd32(hw, PFHMC_ERRORDATA));
	}

	/* Report any remaining unexpected interrupts */
	oicr &= ena_mask;
	if (oicr) {
		dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr);
		/* If a critical error is pending there is no choice but to
		 * reset the device.
		 */
		if (oicr & (PFINT_OICR_PE_CRITERR_M |
			    PFINT_OICR_PCI_EXCEPTION_M |
			    PFINT_OICR_ECC_ERR_M)) {
			set_bit(__ICE_PFR_REQ, pf->state);
			ice_service_task_schedule(pf);
		}
	}
	ret = IRQ_HANDLED;

	if (!test_bit(__ICE_DOWN, pf->state)) {
		ice_service_task_schedule(pf);
		ice_irq_dynamic_ena(hw, NULL, NULL);
	}

	return ret;
}

/**
 * ice_dis_ctrlq_interrupts - disable control queue interrupts
 * @hw: pointer to HW structure
 */
static void ice_dis_ctrlq_interrupts(struct ice_hw *hw)
{
	/* disable Admin queue Interrupt causes */
	wr32(hw, PFINT_FW_CTL,
	     rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M);

	/* disable Mailbox queue Interrupt causes */
	wr32(hw, PFINT_MBX_CTL,
	     rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M);

	/* disable Control queue Interrupt causes */
	wr32(hw, PFINT_OICR_CTL,
	     rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M);

	ice_flush(hw);
}

/**
 * ice_free_irq_msix_misc - Unroll misc vector setup
 * @pf: board private structure
 */
static void ice_free_irq_msix_misc(struct ice_pf *pf)
{
	struct ice_hw *hw = &pf->hw;

	ice_dis_ctrlq_interrupts(hw);

	/* disable OICR interrupt */
	wr32(hw, PFINT_OICR_ENA, 0);
	ice_flush(hw);

	if (pf->msix_entries) {
		synchronize_irq(pf->msix_entries[pf->oicr_idx].vector);
		devm_free_irq(ice_pf_to_dev(pf),
			      pf->msix_entries[pf->oicr_idx].vector, pf);
	}

	pf->num_avail_sw_msix += 1;
	ice_free_res(pf->irq_tracker, pf->oicr_idx, ICE_RES_MISC_VEC_ID);
}

/**
 * ice_ena_ctrlq_interrupts - enable control queue interrupts
 * @hw: pointer to HW structure
 * @reg_idx: HW vector index to associate the control queue interrupts with
 */
static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx)
{
	u32 val;

	val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) |
	       PFINT_OICR_CTL_CAUSE_ENA_M);
	wr32(hw, PFINT_OICR_CTL, val);

	/* enable Admin queue Interrupt causes */
	val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) |
	       PFINT_FW_CTL_CAUSE_ENA_M);
	wr32(hw, PFINT_FW_CTL, val);

	/* enable Mailbox queue Interrupt causes */
	val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) |
	       PFINT_MBX_CTL_CAUSE_ENA_M);
	wr32(hw, PFINT_MBX_CTL, val);

	ice_flush(hw);
}

/**
 * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events
 * @pf: board private structure
 *
 * This sets up the handler for MSIX 0, which is used to manage the
 * non-queue interrupts, e.g. AdminQ and errors. This is not used
 * when in MSI or Legacy interrupt mode.
 */
static int ice_req_irq_msix_misc(struct ice_pf *pf)
{
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_hw *hw = &pf->hw;
	int oicr_idx, err = 0;

	if (!pf->int_name[0])
		snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc",
			 dev_driver_string(dev), dev_name(dev));

	/* Do not request IRQ but do enable OICR interrupt since settings are
	 * lost during reset. Note that this function is called only during
	 * rebuild path and not while reset is in progress.
	 */
	if (ice_is_reset_in_progress(pf->state))
		goto skip_req_irq;

	/* reserve one vector in irq_tracker for misc interrupts */
	oicr_idx = ice_get_res(pf, pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID);
	if (oicr_idx < 0)
		return oicr_idx;

	pf->num_avail_sw_msix -= 1;
	pf->oicr_idx = oicr_idx;

	err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector,
			       ice_misc_intr, 0, pf->int_name, pf);
	if (err) {
		dev_err(dev, "devm_request_irq for %s failed: %d\n",
			pf->int_name, err);
		ice_free_res(pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID);
		pf->num_avail_sw_msix += 1;
		return err;
	}

skip_req_irq:
	ice_ena_misc_vector(pf);

	ice_ena_ctrlq_interrupts(hw, pf->oicr_idx);
	wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_idx),
	     ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S);

	ice_flush(hw);
	ice_irq_dynamic_ena(hw, NULL, NULL);

	return 0;
}

/**
 * ice_napi_add - register NAPI handler for the VSI
 * @vsi: VSI for which NAPI handler is to be registered
 *
 * This function is only called in the driver's load path. Registering the NAPI
 * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume,
 * reset/rebuild, etc.)
 */
static void ice_napi_add(struct ice_vsi *vsi)
{
	int v_idx;

	if (!vsi->netdev)
		return;

	ice_for_each_q_vector(vsi, v_idx)
		netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi,
			       ice_napi_poll, NAPI_POLL_WEIGHT);
}

/**
 * ice_set_ops - set netdev and ethtools ops for the given netdev
 * @netdev: netdev instance
 */
static void ice_set_ops(struct net_device *netdev)
{
	struct ice_pf *pf = ice_netdev_to_pf(netdev);

	if (ice_is_safe_mode(pf)) {
		netdev->netdev_ops = &ice_netdev_safe_mode_ops;
		ice_set_ethtool_safe_mode_ops(netdev);
		return;
	}

	netdev->netdev_ops = &ice_netdev_ops;
	ice_set_ethtool_ops(netdev);
}

/**
 * ice_set_netdev_features - set features for the given netdev
 * @netdev: netdev instance
 */
static void ice_set_netdev_features(struct net_device *netdev)
{
	struct ice_pf *pf = ice_netdev_to_pf(netdev);
	netdev_features_t csumo_features;
	netdev_features_t vlano_features;
	netdev_features_t dflt_features;
	netdev_features_t tso_features;

	if (ice_is_safe_mode(pf)) {
		/* safe mode */
		netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA;
		netdev->hw_features = netdev->features;
		return;
	}

	dflt_features = NETIF_F_SG	|
			NETIF_F_HIGHDMA	|
			NETIF_F_RXHASH;

	csumo_features = NETIF_F_RXCSUM	  |
			 NETIF_F_IP_CSUM  |
			 NETIF_F_SCTP_CRC |
			 NETIF_F_IPV6_CSUM;

	vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER |
			 NETIF_F_HW_VLAN_CTAG_TX     |
			 NETIF_F_HW_VLAN_CTAG_RX;

	tso_features = NETIF_F_TSO		|
		       NETIF_F_GSO_UDP_L4;

	/* set features that user can change */
	netdev->hw_features = dflt_features | csumo_features |
			      vlano_features | tso_features;

	/* enable features */
	netdev->features |= netdev->hw_features;
	/* encap and VLAN devices inherit default, csumo and tso features */
	netdev->hw_enc_features |= dflt_features | csumo_features |
				   tso_features;
	netdev->vlan_features |= dflt_features | csumo_features |
				 tso_features;
}

/**
 * ice_cfg_netdev - Allocate, configure and register a netdev
 * @vsi: the VSI associated with the new netdev
 *
 * Returns 0 on success, negative value on failure
 */
static int ice_cfg_netdev(struct ice_vsi *vsi)
{
	struct ice_pf *pf = vsi->back;
	struct ice_netdev_priv *np;
	struct net_device *netdev;
	u8 mac_addr[ETH_ALEN];
	int err;

	netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq,
				    vsi->alloc_rxq);
	if (!netdev)
		return -ENOMEM;

	vsi->netdev = netdev;
	np = netdev_priv(netdev);
	np->vsi = vsi;

	ice_set_netdev_features(netdev);

	ice_set_ops(netdev);

	if (vsi->type == ICE_VSI_PF) {
		SET_NETDEV_DEV(netdev, ice_pf_to_dev(pf));
		ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr);
		ether_addr_copy(netdev->dev_addr, mac_addr);
		ether_addr_copy(netdev->perm_addr, mac_addr);
	}

	netdev->priv_flags |= IFF_UNICAST_FLT;

	/* Setup netdev TC information */
	ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc);

	/* setup watchdog timeout value to be 5 second */
	netdev->watchdog_timeo = 5 * HZ;

	netdev->min_mtu = ETH_MIN_MTU;
	netdev->max_mtu = ICE_MAX_MTU;

	err = register_netdev(vsi->netdev);
	if (err)
		return err;

	netif_carrier_off(vsi->netdev);

	/* make sure transmit queues start off as stopped */
	netif_tx_stop_all_queues(vsi->netdev);

	return 0;
}

/**
 * ice_fill_rss_lut - Fill the RSS lookup table with default values
 * @lut: Lookup table
 * @rss_table_size: Lookup table size
 * @rss_size: Range of queue number for hashing
 */
void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size)
{
	u16 i;

	for (i = 0; i < rss_table_size; i++)
		lut[i] = i % rss_size;
}

/**
 * ice_pf_vsi_setup - Set up a PF VSI
 * @pf: board private structure
 * @pi: pointer to the port_info instance
 *
 * Returns pointer to the successfully allocated VSI software struct
 * on success, otherwise returns NULL on failure.
 */
static struct ice_vsi *
ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
{
	return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID);
}

/**
 * ice_lb_vsi_setup - Set up a loopback VSI
 * @pf: board private structure
 * @pi: pointer to the port_info instance
 *
 * Returns pointer to the successfully allocated VSI software struct
 * on success, otherwise returns NULL on failure.
 */
struct ice_vsi *
ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
{
	return ice_vsi_setup(pf, pi, ICE_VSI_LB, ICE_INVAL_VFID);
}

/**
 * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload
 * @netdev: network interface to be adjusted
 * @proto: unused protocol
 * @vid: VLAN ID to be added
 *
 * net_device_ops implementation for adding VLAN IDs
 */
static int
ice_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto,
		    u16 vid)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	int ret;

	if (vid >= VLAN_N_VID) {
		netdev_err(netdev, "VLAN id requested %d is out of range %d\n",
			   vid, VLAN_N_VID);
		return -EINVAL;
	}

	if (vsi->info.pvid)
		return -EINVAL;

	/* Enable VLAN pruning when VLAN 0 is added */
	if (unlikely(!vid)) {
		ret = ice_cfg_vlan_pruning(vsi, true, false);
		if (ret)
			return ret;
	}

	/* Add all VLAN IDs including 0 to the switch filter. VLAN ID 0 is
	 * needed to continue allowing all untagged packets since VLAN prune
	 * list is applied to all packets by the switch
	 */
	ret = ice_vsi_add_vlan(vsi, vid);
	if (!ret) {
		vsi->vlan_ena = true;
		set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
	}

	return ret;
}

/**
 * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload
 * @netdev: network interface to be adjusted
 * @proto: unused protocol
 * @vid: VLAN ID to be removed
 *
 * net_device_ops implementation for removing VLAN IDs
 */
static int
ice_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto,
		     u16 vid)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	int ret;

	if (vsi->info.pvid)
		return -EINVAL;

	/* Make sure ice_vsi_kill_vlan is successful before updating VLAN
	 * information
	 */
	ret = ice_vsi_kill_vlan(vsi, vid);
	if (ret)
		return ret;

	/* Disable VLAN pruning when VLAN 0 is removed */
	if (unlikely(!vid))
		ret = ice_cfg_vlan_pruning(vsi, false, false);

	vsi->vlan_ena = false;
	set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
	return ret;
}

/**
 * ice_setup_pf_sw - Setup the HW switch on startup or after reset
 * @pf: board private structure
 *
 * Returns 0 on success, negative value on failure
 */
static int ice_setup_pf_sw(struct ice_pf *pf)
{
	struct ice_vsi *vsi;
	int status = 0;

	if (ice_is_reset_in_progress(pf->state))
		return -EBUSY;

	vsi = ice_pf_vsi_setup(pf, pf->hw.port_info);
	if (!vsi) {
		status = -ENOMEM;
		goto unroll_vsi_setup;
	}

	status = ice_cfg_netdev(vsi);
	if (status) {
		status = -ENODEV;
		goto unroll_vsi_setup;
	}
	/* netdev has to be configured before setting frame size */
	ice_vsi_cfg_frame_size(vsi);

	/* Setup DCB netlink interface */
	ice_dcbnl_setup(vsi);

	/* registering the NAPI handler requires both the queues and
	 * netdev to be created, which are done in ice_pf_vsi_setup()
	 * and ice_cfg_netdev() respectively
	 */
	ice_napi_add(vsi);

	status = ice_init_mac_fltr(pf);
	if (status)
		goto unroll_napi_add;

	return status;

unroll_napi_add:
	if (vsi) {
		ice_napi_del(vsi);
		if (vsi->netdev) {
			if (vsi->netdev->reg_state == NETREG_REGISTERED)
				unregister_netdev(vsi->netdev);
			free_netdev(vsi->netdev);
			vsi->netdev = NULL;
		}
	}

unroll_vsi_setup:
	if (vsi) {
		ice_vsi_free_q_vectors(vsi);
		ice_vsi_delete(vsi);
		ice_vsi_put_qs(vsi);
		ice_vsi_clear(vsi);
	}
	return status;
}

/**
 * ice_get_avail_q_count - Get count of queues in use
 * @pf_qmap: bitmap to get queue use count from
 * @lock: pointer to a mutex that protects access to pf_qmap
 * @size: size of the bitmap
 */
static u16
ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size)
{
	u16 count = 0, bit;

	mutex_lock(lock);
	for_each_clear_bit(bit, pf_qmap, size)
		count++;
	mutex_unlock(lock);

	return count;
}

/**
 * ice_get_avail_txq_count - Get count of Tx queues in use
 * @pf: pointer to an ice_pf instance
 */
u16 ice_get_avail_txq_count(struct ice_pf *pf)
{
	return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex,
				     pf->max_pf_txqs);
}

/**
 * ice_get_avail_rxq_count - Get count of Rx queues in use
 * @pf: pointer to an ice_pf instance
 */
u16 ice_get_avail_rxq_count(struct ice_pf *pf)
{
	return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex,
				     pf->max_pf_rxqs);
}

/**
 * ice_deinit_pf - Unrolls initialziations done by ice_init_pf
 * @pf: board private structure to initialize
 */
static void ice_deinit_pf(struct ice_pf *pf)
{
	ice_service_task_stop(pf);
	mutex_destroy(&pf->sw_mutex);
	mutex_destroy(&pf->tc_mutex);
	mutex_destroy(&pf->avail_q_mutex);

	if (pf->avail_txqs) {
		bitmap_free(pf->avail_txqs);
		pf->avail_txqs = NULL;
	}

	if (pf->avail_rxqs) {
		bitmap_free(pf->avail_rxqs);
		pf->avail_rxqs = NULL;
	}
}

/**
 * ice_set_pf_caps - set PFs capability flags
 * @pf: pointer to the PF instance
 */
static void ice_set_pf_caps(struct ice_pf *pf)
{
	struct ice_hw_func_caps *func_caps = &pf->hw.func_caps;

	clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
	if (func_caps->common_cap.dcb)
		set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
#ifdef CONFIG_PCI_IOV
	clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
	if (func_caps->common_cap.sr_iov_1_1) {
		set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
		pf->num_vfs_supported = min_t(int, func_caps->num_allocd_vfs,
					      ICE_MAX_VF_COUNT);
	}
#endif /* CONFIG_PCI_IOV */
	clear_bit(ICE_FLAG_RSS_ENA, pf->flags);
	if (func_caps->common_cap.rss_table_size)
		set_bit(ICE_FLAG_RSS_ENA, pf->flags);

	pf->max_pf_txqs = func_caps->common_cap.num_txq;
	pf->max_pf_rxqs = func_caps->common_cap.num_rxq;
}

/**
 * ice_init_pf - Initialize general software structures (struct ice_pf)
 * @pf: board private structure to initialize
 */
static int ice_init_pf(struct ice_pf *pf)
{
	ice_set_pf_caps(pf);

	mutex_init(&pf->sw_mutex);
	mutex_init(&pf->tc_mutex);

	/* setup service timer and periodic service task */
	timer_setup(&pf->serv_tmr, ice_service_timer, 0);
	pf->serv_tmr_period = HZ;
	INIT_WORK(&pf->serv_task, ice_service_task);
	clear_bit(__ICE_SERVICE_SCHED, pf->state);

	mutex_init(&pf->avail_q_mutex);
	pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL);
	if (!pf->avail_txqs)
		return -ENOMEM;

	pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL);
	if (!pf->avail_rxqs) {
		devm_kfree(ice_pf_to_dev(pf), pf->avail_txqs);
		pf->avail_txqs = NULL;
		return -ENOMEM;
	}

	return 0;
}

/**
 * ice_ena_msix_range - Request a range of MSIX vectors from the OS
 * @pf: board private structure
 *
 * compute the number of MSIX vectors required (v_budget) and request from
 * the OS. Return the number of vectors reserved or negative on failure
 */
static int ice_ena_msix_range(struct ice_pf *pf)
{
	struct device *dev = ice_pf_to_dev(pf);
	int v_left, v_actual, v_budget = 0;
	int needed, err, i;

	v_left = pf->hw.func_caps.common_cap.num_msix_vectors;

	/* reserve one vector for miscellaneous handler */
	needed = 1;
	if (v_left < needed)
		goto no_hw_vecs_left_err;
	v_budget += needed;
	v_left -= needed;

	/* reserve vectors for LAN traffic */
	needed = min_t(int, num_online_cpus(), v_left);
	if (v_left < needed)
		goto no_hw_vecs_left_err;
	pf->num_lan_msix = needed;
	v_budget += needed;
	v_left -= needed;

	pf->msix_entries = devm_kcalloc(dev, v_budget,
					sizeof(*pf->msix_entries), GFP_KERNEL);

	if (!pf->msix_entries) {
		err = -ENOMEM;
		goto exit_err;
	}

	for (i = 0; i < v_budget; i++)
		pf->msix_entries[i].entry = i;

	/* actually reserve the vectors */
	v_actual = pci_enable_msix_range(pf->pdev, pf->msix_entries,
					 ICE_MIN_MSIX, v_budget);

	if (v_actual < 0) {
		dev_err(dev, "unable to reserve MSI-X vectors\n");
		err = v_actual;
		goto msix_err;
	}

	if (v_actual < v_budget) {
		dev_warn(dev,
			 "not enough OS MSI-X vectors. requested = %d, obtained = %d\n",
			 v_budget, v_actual);
/* 2 vectors for LAN (traffic + OICR) */
#define ICE_MIN_LAN_VECS 2

		if (v_actual < ICE_MIN_LAN_VECS) {
			/* error if we can't get minimum vectors */
			pci_disable_msix(pf->pdev);
			err = -ERANGE;
			goto msix_err;
		} else {
			pf->num_lan_msix = ICE_MIN_LAN_VECS;
		}
	}

	return v_actual;

msix_err:
	devm_kfree(dev, pf->msix_entries);
	goto exit_err;

no_hw_vecs_left_err:
	dev_err(dev,
		"not enough device MSI-X vectors. requested = %d, available = %d\n",
		needed, v_left);
	err = -ERANGE;
exit_err:
	pf->num_lan_msix = 0;
	return err;
}

/**
 * ice_dis_msix - Disable MSI-X interrupt setup in OS
 * @pf: board private structure
 */
static void ice_dis_msix(struct ice_pf *pf)
{
	pci_disable_msix(pf->pdev);
	devm_kfree(ice_pf_to_dev(pf), pf->msix_entries);
	pf->msix_entries = NULL;
}

/**
 * ice_clear_interrupt_scheme - Undo things done by ice_init_interrupt_scheme
 * @pf: board private structure
 */
static void ice_clear_interrupt_scheme(struct ice_pf *pf)
{
	ice_dis_msix(pf);

	if (pf->irq_tracker) {
		devm_kfree(ice_pf_to_dev(pf), pf->irq_tracker);
		pf->irq_tracker = NULL;
	}
}

/**
 * ice_init_interrupt_scheme - Determine proper interrupt scheme
 * @pf: board private structure to initialize
 */
static int ice_init_interrupt_scheme(struct ice_pf *pf)
{
	int vectors;

	vectors = ice_ena_msix_range(pf);

	if (vectors < 0)
		return vectors;

	/* set up vector assignment tracking */
	pf->irq_tracker =
		devm_kzalloc(ice_pf_to_dev(pf), sizeof(*pf->irq_tracker) +
			     (sizeof(u16) * vectors), GFP_KERNEL);
	if (!pf->irq_tracker) {
		ice_dis_msix(pf);
		return -ENOMEM;
	}

	/* populate SW interrupts pool with number of OS granted IRQs. */
	pf->num_avail_sw_msix = vectors;
	pf->irq_tracker->num_entries = vectors;
	pf->irq_tracker->end = pf->irq_tracker->num_entries;

	return 0;
}

/**
 * ice_vsi_recfg_qs - Change the number of queues on a VSI
 * @vsi: VSI being changed
 * @new_rx: new number of Rx queues
 * @new_tx: new number of Tx queues
 *
 * Only change the number of queues if new_tx, or new_rx is non-0.
 *
 * Returns 0 on success.
 */
int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx)
{
	struct ice_pf *pf = vsi->back;
	int err = 0, timeout = 50;

	if (!new_rx && !new_tx)
		return -EINVAL;

	while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
		timeout--;
		if (!timeout)
			return -EBUSY;
		usleep_range(1000, 2000);
	}

	if (new_tx)
		vsi->req_txq = new_tx;
	if (new_rx)
		vsi->req_rxq = new_rx;

	/* set for the next time the netdev is started */
	if (!netif_running(vsi->netdev)) {
		ice_vsi_rebuild(vsi, false);
		dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n");
		goto done;
	}

	ice_vsi_close(vsi);
	ice_vsi_rebuild(vsi, false);
	ice_pf_dcb_recfg(pf);
	ice_vsi_open(vsi);
done:
	clear_bit(__ICE_CFG_BUSY, pf->state);
	return err;
}

/**
 * ice_log_pkg_init - log result of DDP package load
 * @hw: pointer to hardware info
 * @status: status of package load
 */
static void
ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status)
{
	struct ice_pf *pf = (struct ice_pf *)hw->back;
	struct device *dev = ice_pf_to_dev(pf);

	switch (*status) {
	case ICE_SUCCESS:
		/* The package download AdminQ command returned success because
		 * this download succeeded or ICE_ERR_AQ_NO_WORK since there is
		 * already a package loaded on the device.
		 */
		if (hw->pkg_ver.major == hw->active_pkg_ver.major &&
		    hw->pkg_ver.minor == hw->active_pkg_ver.minor &&
		    hw->pkg_ver.update == hw->active_pkg_ver.update &&
		    hw->pkg_ver.draft == hw->active_pkg_ver.draft &&
		    !memcmp(hw->pkg_name, hw->active_pkg_name,
			    sizeof(hw->pkg_name))) {
			if (hw->pkg_dwnld_status == ICE_AQ_RC_EEXIST)
				dev_info(dev,
					 "DDP package already present on device: %s version %d.%d.%d.%d\n",
					 hw->active_pkg_name,
					 hw->active_pkg_ver.major,
					 hw->active_pkg_ver.minor,
					 hw->active_pkg_ver.update,
					 hw->active_pkg_ver.draft);
			else
				dev_info(dev,
					 "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n",
					 hw->active_pkg_name,
					 hw->active_pkg_ver.major,
					 hw->active_pkg_ver.minor,
					 hw->active_pkg_ver.update,
					 hw->active_pkg_ver.draft);
		} else if (hw->active_pkg_ver.major != ICE_PKG_SUPP_VER_MAJ ||
			   hw->active_pkg_ver.minor != ICE_PKG_SUPP_VER_MNR) {
			dev_err(dev,
				"The device has a DDP package that is not supported by the driver.  The device has package '%s' version %d.%d.x.x.  The driver requires version %d.%d.x.x.  Entering Safe Mode.\n",
				hw->active_pkg_name,
				hw->active_pkg_ver.major,
				hw->active_pkg_ver.minor,
				ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR);
			*status = ICE_ERR_NOT_SUPPORTED;
		} else if (hw->active_pkg_ver.major == ICE_PKG_SUPP_VER_MAJ &&
			   hw->active_pkg_ver.minor == ICE_PKG_SUPP_VER_MNR) {
			dev_info(dev,
				 "The driver could not load the DDP package file because a compatible DDP package is already present on the device.  The device has package '%s' version %d.%d.%d.%d.  The package file found by the driver: '%s' version %d.%d.%d.%d.\n",
				 hw->active_pkg_name,
				 hw->active_pkg_ver.major,
				 hw->active_pkg_ver.minor,
				 hw->active_pkg_ver.update,
				 hw->active_pkg_ver.draft,
				 hw->pkg_name,
				 hw->pkg_ver.major,
				 hw->pkg_ver.minor,
				 hw->pkg_ver.update,
				 hw->pkg_ver.draft);
		} else {
			dev_err(dev,
				"An unknown error occurred when loading the DDP package, please reboot the system.  If the problem persists, update the NVM.  Entering Safe Mode.\n");
			*status = ICE_ERR_NOT_SUPPORTED;
		}
		break;
	case ICE_ERR_BUF_TOO_SHORT:
		/* fall-through */
	case ICE_ERR_CFG:
		dev_err(dev,
			"The DDP package file is invalid. Entering Safe Mode.\n");
		break;
	case ICE_ERR_NOT_SUPPORTED:
		/* Package File version not supported */
		if (hw->pkg_ver.major > ICE_PKG_SUPP_VER_MAJ ||
		    (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ &&
		     hw->pkg_ver.minor > ICE_PKG_SUPP_VER_MNR))
			dev_err(dev,
				"The DDP package file version is higher than the driver supports.  Please use an updated driver.  Entering Safe Mode.\n");
		else if (hw->pkg_ver.major < ICE_PKG_SUPP_VER_MAJ ||
			 (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ &&
			  hw->pkg_ver.minor < ICE_PKG_SUPP_VER_MNR))
			dev_err(dev,
				"The DDP package file version is lower than the driver supports.  The driver requires version %d.%d.x.x.  Please use an updated DDP Package file.  Entering Safe Mode.\n",
				ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR);
		break;
	case ICE_ERR_AQ_ERROR:
		switch (hw->pkg_dwnld_status) {
		case ICE_AQ_RC_ENOSEC:
		case ICE_AQ_RC_EBADSIG:
			dev_err(dev,
				"The DDP package could not be loaded because its signature is not valid.  Please use a valid DDP Package.  Entering Safe Mode.\n");
			return;
		case ICE_AQ_RC_ESVN:
			dev_err(dev,
				"The DDP Package could not be loaded because its security revision is too low.  Please use an updated DDP Package.  Entering Safe Mode.\n");
			return;
		case ICE_AQ_RC_EBADMAN:
		case ICE_AQ_RC_EBADBUF:
			dev_err(dev,
				"An error occurred on the device while loading the DDP package.  The device will be reset.\n");
			return;
		default:
			break;
		}
		/* fall-through */
	default:
		dev_err(dev,
			"An unknown error (%d) occurred when loading the DDP package.  Entering Safe Mode.\n",
			*status);
		break;
	}
}

/**
 * ice_load_pkg - load/reload the DDP Package file
 * @firmware: firmware structure when firmware requested or NULL for reload
 * @pf: pointer to the PF instance
 *
 * Called on probe and post CORER/GLOBR rebuild to load DDP Package and
 * initialize HW tables.
 */
static void
ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf)
{
	enum ice_status status = ICE_ERR_PARAM;
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_hw *hw = &pf->hw;

	/* Load DDP Package */
	if (firmware && !hw->pkg_copy) {
		status = ice_copy_and_init_pkg(hw, firmware->data,
					       firmware->size);
		ice_log_pkg_init(hw, &status);
	} else if (!firmware && hw->pkg_copy) {
		/* Reload package during rebuild after CORER/GLOBR reset */
		status = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size);
		ice_log_pkg_init(hw, &status);
	} else {
		dev_err(dev,
			"The DDP package file failed to load. Entering Safe Mode.\n");
	}

	if (status) {
		/* Safe Mode */
		clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
		return;
	}

	/* Successful download package is the precondition for advanced
	 * features, hence setting the ICE_FLAG_ADV_FEATURES flag
	 */
	set_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
}

/**
 * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines
 * @pf: pointer to the PF structure
 *
 * There is no error returned here because the driver should be able to handle
 * 128 Byte cache lines, so we only print a warning in case issues are seen,
 * specifically with Tx.
 */
static void ice_verify_cacheline_size(struct ice_pf *pf)
{
	if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M)
		dev_warn(ice_pf_to_dev(pf),
			 "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n",
			 ICE_CACHE_LINE_BYTES);
}

/**
 * ice_send_version - update firmware with driver version
 * @pf: PF struct
 *
 * Returns ICE_SUCCESS on success, else error code
 */
static enum ice_status ice_send_version(struct ice_pf *pf)
{
	struct ice_driver_ver dv;

	dv.major_ver = DRV_VERSION_MAJOR;
	dv.minor_ver = DRV_VERSION_MINOR;
	dv.build_ver = DRV_VERSION_BUILD;
	dv.subbuild_ver = 0;
	strscpy((char *)dv.driver_string, DRV_VERSION,
		sizeof(dv.driver_string));
	return ice_aq_send_driver_ver(&pf->hw, &dv, NULL);
}

/**
 * ice_get_opt_fw_name - return optional firmware file name or NULL
 * @pf: pointer to the PF instance
 */
static char *ice_get_opt_fw_name(struct ice_pf *pf)
{
	/* Optional firmware name same as default with additional dash
	 * followed by a EUI-64 identifier (PCIe Device Serial Number)
	 */
	struct pci_dev *pdev = pf->pdev;
	char *opt_fw_filename = NULL;
	u32 dword;
	u8 dsn[8];
	int pos;

	/* Determine the name of the optional file using the DSN (two
	 * dwords following the start of the DSN Capability).
	 */
	pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_DSN);
	if (pos) {
		opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL);
		if (!opt_fw_filename)
			return NULL;

		pci_read_config_dword(pdev, pos + 4, &dword);
		put_unaligned_le32(dword, &dsn[0]);
		pci_read_config_dword(pdev, pos + 8, &dword);
		put_unaligned_le32(dword, &dsn[4]);
		snprintf(opt_fw_filename, NAME_MAX,
			 "%sice-%02x%02x%02x%02x%02x%02x%02x%02x.pkg",
			 ICE_DDP_PKG_PATH,
			 dsn[7], dsn[6], dsn[5], dsn[4],
			 dsn[3], dsn[2], dsn[1], dsn[0]);
	}

	return opt_fw_filename;
}

/**
 * ice_request_fw - Device initialization routine
 * @pf: pointer to the PF instance
 */
static void ice_request_fw(struct ice_pf *pf)
{
	char *opt_fw_filename = ice_get_opt_fw_name(pf);
	const struct firmware *firmware = NULL;
	struct device *dev = ice_pf_to_dev(pf);
	int err = 0;

	/* optional device-specific DDP (if present) overrides the default DDP
	 * package file. kernel logs a debug message if the file doesn't exist,
	 * and warning messages for other errors.
	 */
	if (opt_fw_filename) {
		err = firmware_request_nowarn(&firmware, opt_fw_filename, dev);
		if (err) {
			kfree(opt_fw_filename);
			goto dflt_pkg_load;
		}

		/* request for firmware was successful. Download to device */
		ice_load_pkg(firmware, pf);
		kfree(opt_fw_filename);
		release_firmware(firmware);
		return;
	}

dflt_pkg_load:
	err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev);
	if (err) {
		dev_err(dev,
			"The DDP package file was not found or could not be read. Entering Safe Mode\n");
		return;
	}

	/* request for firmware was successful. Download to device */
	ice_load_pkg(firmware, pf);
	release_firmware(firmware);
}

/**
 * ice_probe - Device initialization routine
 * @pdev: PCI device information struct
 * @ent: entry in ice_pci_tbl
 *
 * Returns 0 on success, negative on failure
 */
static int
ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
{
	struct device *dev = &pdev->dev;
	struct ice_pf *pf;
	struct ice_hw *hw;
	int err;

	/* this driver uses devres, see Documentation/driver-api/driver-model/devres.rst */
	err = pcim_enable_device(pdev);
	if (err)
		return err;

	err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), pci_name(pdev));
	if (err) {
		dev_err(dev, "BAR0 I/O map error %d\n", err);
		return err;
	}

	pf = devm_kzalloc(dev, sizeof(*pf), GFP_KERNEL);
	if (!pf)
		return -ENOMEM;

	/* set up for high or low DMA */
	err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
	if (err)
		err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
	if (err) {
		dev_err(dev, "DMA configuration failed: 0x%x\n", err);
		return err;
	}

	pci_enable_pcie_error_reporting(pdev);
	pci_set_master(pdev);

	pf->pdev = pdev;
	pci_set_drvdata(pdev, pf);
	set_bit(__ICE_DOWN, pf->state);
	/* Disable service task until DOWN bit is cleared */
	set_bit(__ICE_SERVICE_DIS, pf->state);

	hw = &pf->hw;
	hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0];
	pci_save_state(pdev);

	hw->back = pf;
	hw->vendor_id = pdev->vendor;
	hw->device_id = pdev->device;
	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
	hw->subsystem_vendor_id = pdev->subsystem_vendor;
	hw->subsystem_device_id = pdev->subsystem_device;
	hw->bus.device = PCI_SLOT(pdev->devfn);
	hw->bus.func = PCI_FUNC(pdev->devfn);
	ice_set_ctrlq_len(hw);

	pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M);

#ifndef CONFIG_DYNAMIC_DEBUG
	if (debug < -1)
		hw->debug_mask = debug;
#endif

	err = ice_init_hw(hw);
	if (err) {
		dev_err(dev, "ice_init_hw failed: %d\n", err);
		err = -EIO;
		goto err_exit_unroll;
	}

	dev_info(dev, "firmware %d.%d.%d api %d.%d.%d nvm %s build 0x%08x\n",
		 hw->fw_maj_ver, hw->fw_min_ver, hw->fw_patch,
		 hw->api_maj_ver, hw->api_min_ver, hw->api_patch,
		 ice_nvm_version_str(hw), hw->fw_build);

	ice_request_fw(pf);

	/* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be
	 * set in pf->state, which will cause ice_is_safe_mode to return
	 * true
	 */
	if (ice_is_safe_mode(pf)) {
		dev_err(dev,
			"Package download failed. Advanced features disabled - Device now in Safe Mode\n");
		/* we already got function/device capabilities but these don't
		 * reflect what the driver needs to do in safe mode. Instead of
		 * adding conditional logic everywhere to ignore these
		 * device/function capabilities, override them.
		 */
		ice_set_safe_mode_caps(hw);
	}

	err = ice_init_pf(pf);
	if (err) {
		dev_err(dev, "ice_init_pf failed: %d\n", err);
		goto err_init_pf_unroll;
	}

	pf->num_alloc_vsi = hw->func_caps.guar_num_vsi;
	if (!pf->num_alloc_vsi) {
		err = -EIO;
		goto err_init_pf_unroll;
	}

	pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi),
			       GFP_KERNEL);
	if (!pf->vsi) {
		err = -ENOMEM;
		goto err_init_pf_unroll;
	}

	err = ice_init_interrupt_scheme(pf);
	if (err) {
		dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err);
		err = -EIO;
		goto err_init_interrupt_unroll;
	}

	/* Driver is mostly up */
	clear_bit(__ICE_DOWN, pf->state);

	/* In case of MSIX we are going to setup the misc vector right here
	 * to handle admin queue events etc. In case of legacy and MSI
	 * the misc functionality and queue processing is combined in
	 * the same vector and that gets setup at open.
	 */
	err = ice_req_irq_msix_misc(pf);
	if (err) {
		dev_err(dev, "setup of misc vector failed: %d\n", err);
		goto err_init_interrupt_unroll;
	}

	/* create switch struct for the switch element created by FW on boot */
	pf->first_sw = devm_kzalloc(dev, sizeof(*pf->first_sw), GFP_KERNEL);
	if (!pf->first_sw) {
		err = -ENOMEM;
		goto err_msix_misc_unroll;
	}

	if (hw->evb_veb)
		pf->first_sw->bridge_mode = BRIDGE_MODE_VEB;
	else
		pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA;

	pf->first_sw->pf = pf;

	/* record the sw_id available for later use */
	pf->first_sw->sw_id = hw->port_info->sw_id;

	err = ice_setup_pf_sw(pf);
	if (err) {
		dev_err(dev, "probe failed due to setup PF switch: %d\n", err);
		goto err_alloc_sw_unroll;
	}

	clear_bit(__ICE_SERVICE_DIS, pf->state);

	/* tell the firmware we are up */
	err = ice_send_version(pf);
	if (err) {
		dev_err(dev,
			"probe failed sending driver version %s. error: %d\n",
			ice_drv_ver, err);
		goto err_alloc_sw_unroll;
	}

	/* since everything is good, start the service timer */
	mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));

	err = ice_init_link_events(pf->hw.port_info);
	if (err) {
		dev_err(dev, "ice_init_link_events failed: %d\n", err);
		goto err_alloc_sw_unroll;
	}

	ice_verify_cacheline_size(pf);

	/* If no DDP driven features have to be setup, return here */
	if (ice_is_safe_mode(pf))
		return 0;

	/* initialize DDP driven features */

	/* Note: DCB init failure is non-fatal to load */
	if (ice_init_pf_dcb(pf, false)) {
		clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
		clear_bit(ICE_FLAG_DCB_ENA, pf->flags);
	} else {
		ice_cfg_lldp_mib_change(&pf->hw, true);
	}

	/* print PCI link speed and width */
	pcie_print_link_status(pf->pdev);

	return 0;

err_alloc_sw_unroll:
	set_bit(__ICE_SERVICE_DIS, pf->state);
	set_bit(__ICE_DOWN, pf->state);
	devm_kfree(dev, pf->first_sw);
err_msix_misc_unroll:
	ice_free_irq_msix_misc(pf);
err_init_interrupt_unroll:
	ice_clear_interrupt_scheme(pf);
	devm_kfree(dev, pf->vsi);
err_init_pf_unroll:
	ice_deinit_pf(pf);
	ice_deinit_hw(hw);
err_exit_unroll:
	pci_disable_pcie_error_reporting(pdev);
	return err;
}

/**
 * ice_remove - Device removal routine
 * @pdev: PCI device information struct
 */
static void ice_remove(struct pci_dev *pdev)
{
	struct ice_pf *pf = pci_get_drvdata(pdev);
	int i;

	if (!pf)
		return;

	for (i = 0; i < ICE_MAX_RESET_WAIT; i++) {
		if (!ice_is_reset_in_progress(pf->state))
			break;
		msleep(100);
	}

	set_bit(__ICE_DOWN, pf->state);
	ice_service_task_stop(pf);

	if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags))
		ice_free_vfs(pf);
	ice_vsi_release_all(pf);
	ice_free_irq_msix_misc(pf);
	ice_for_each_vsi(pf, i) {
		if (!pf->vsi[i])
			continue;
		ice_vsi_free_q_vectors(pf->vsi[i]);
	}
	ice_deinit_pf(pf);
	ice_deinit_hw(&pf->hw);
	/* Issue a PFR as part of the prescribed driver unload flow.  Do not
	 * do it via ice_schedule_reset() since there is no need to rebuild
	 * and the service task is already stopped.
	 */
	ice_reset(&pf->hw, ICE_RESET_PFR);
	pci_wait_for_pending_transaction(pdev);
	ice_clear_interrupt_scheme(pf);
	pci_disable_pcie_error_reporting(pdev);
}

/**
 * ice_pci_err_detected - warning that PCI error has been detected
 * @pdev: PCI device information struct
 * @err: the type of PCI error
 *
 * Called to warn that something happened on the PCI bus and the error handling
 * is in progress.  Allows the driver to gracefully prepare/handle PCI errors.
 */
static pci_ers_result_t
ice_pci_err_detected(struct pci_dev *pdev, enum pci_channel_state err)
{
	struct ice_pf *pf = pci_get_drvdata(pdev);

	if (!pf) {
		dev_err(&pdev->dev, "%s: unrecoverable device error %d\n",
			__func__, err);
		return PCI_ERS_RESULT_DISCONNECT;
	}

	if (!test_bit(__ICE_SUSPENDED, pf->state)) {
		ice_service_task_stop(pf);

		if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) {
			set_bit(__ICE_PFR_REQ, pf->state);
			ice_prepare_for_reset(pf);
		}
	}

	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * ice_pci_err_slot_reset - a PCI slot reset has just happened
 * @pdev: PCI device information struct
 *
 * Called to determine if the driver can recover from the PCI slot reset by
 * using a register read to determine if the device is recoverable.
 */
static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev)
{
	struct ice_pf *pf = pci_get_drvdata(pdev);
	pci_ers_result_t result;
	int err;
	u32 reg;

	err = pci_enable_device_mem(pdev);
	if (err) {
		dev_err(&pdev->dev,
			"Cannot re-enable PCI device after reset, error %d\n",
			err);
		result = PCI_ERS_RESULT_DISCONNECT;
	} else {
		pci_set_master(pdev);
		pci_restore_state(pdev);
		pci_save_state(pdev);
		pci_wake_from_d3(pdev, false);

		/* Check for life */
		reg = rd32(&pf->hw, GLGEN_RTRIG);
		if (!reg)
			result = PCI_ERS_RESULT_RECOVERED;
		else
			result = PCI_ERS_RESULT_DISCONNECT;
	}

	err = pci_cleanup_aer_uncorrect_error_status(pdev);
	if (err)
		dev_dbg(&pdev->dev,
			"pci_cleanup_aer_uncorrect_error_status failed, error %d\n",
			err);
		/* non-fatal, continue */

	return result;
}

/**
 * ice_pci_err_resume - restart operations after PCI error recovery
 * @pdev: PCI device information struct
 *
 * Called to allow the driver to bring things back up after PCI error and/or
 * reset recovery have finished
 */
static void ice_pci_err_resume(struct pci_dev *pdev)
{
	struct ice_pf *pf = pci_get_drvdata(pdev);

	if (!pf) {
		dev_err(&pdev->dev,
			"%s failed, device is unrecoverable\n", __func__);
		return;
	}

	if (test_bit(__ICE_SUSPENDED, pf->state)) {
		dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n",
			__func__);
		return;
	}

	ice_do_reset(pf, ICE_RESET_PFR);
	ice_service_task_restart(pf);
	mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
}

/**
 * ice_pci_err_reset_prepare - prepare device driver for PCI reset
 * @pdev: PCI device information struct
 */
static void ice_pci_err_reset_prepare(struct pci_dev *pdev)
{
	struct ice_pf *pf = pci_get_drvdata(pdev);

	if (!test_bit(__ICE_SUSPENDED, pf->state)) {
		ice_service_task_stop(pf);

		if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) {
			set_bit(__ICE_PFR_REQ, pf->state);
			ice_prepare_for_reset(pf);
		}
	}
}

/**
 * ice_pci_err_reset_done - PCI reset done, device driver reset can begin
 * @pdev: PCI device information struct
 */
static void ice_pci_err_reset_done(struct pci_dev *pdev)
{
	ice_pci_err_resume(pdev);
}

/* ice_pci_tbl - PCI Device ID Table
 *
 * Wildcard entries (PCI_ANY_ID) should come last
 * Last entry must be all 0s
 *
 * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
 *   Class, Class Mask, private data (not used) }
 */
static const struct pci_device_id ice_pci_tbl[] = {
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822X_BACKPLANE), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 },
	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 },
	/* required last entry */
	{ 0, }
};
MODULE_DEVICE_TABLE(pci, ice_pci_tbl);

static const struct pci_error_handlers ice_pci_err_handler = {
	.error_detected = ice_pci_err_detected,
	.slot_reset = ice_pci_err_slot_reset,
	.reset_prepare = ice_pci_err_reset_prepare,
	.reset_done = ice_pci_err_reset_done,
	.resume = ice_pci_err_resume
};

static struct pci_driver ice_driver = {
	.name = KBUILD_MODNAME,
	.id_table = ice_pci_tbl,
	.probe = ice_probe,
	.remove = ice_remove,
	.sriov_configure = ice_sriov_configure,
	.err_handler = &ice_pci_err_handler
};

/**
 * ice_module_init - Driver registration routine
 *
 * ice_module_init is the first routine called when the driver is
 * loaded. All it does is register with the PCI subsystem.
 */
static int __init ice_module_init(void)
{
	int status;

	pr_info("%s - version %s\n", ice_driver_string, ice_drv_ver);
	pr_info("%s\n", ice_copyright);

	ice_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, KBUILD_MODNAME);
	if (!ice_wq) {
		pr_err("Failed to create workqueue\n");
		return -ENOMEM;
	}

	status = pci_register_driver(&ice_driver);
	if (status) {
		pr_err("failed to register PCI driver, err %d\n", status);
		destroy_workqueue(ice_wq);
	}

	return status;
}
module_init(ice_module_init);

/**
 * ice_module_exit - Driver exit cleanup routine
 *
 * ice_module_exit is called just before the driver is removed
 * from memory.
 */
static void __exit ice_module_exit(void)
{
	pci_unregister_driver(&ice_driver);
	destroy_workqueue(ice_wq);
	pr_info("module unloaded\n");
}
module_exit(ice_module_exit);

/**
 * ice_set_mac_address - NDO callback to set MAC address
 * @netdev: network interface device structure
 * @pi: pointer to an address structure
 *
 * Returns 0 on success, negative on failure
 */
static int ice_set_mac_address(struct net_device *netdev, void *pi)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	struct sockaddr *addr = pi;
	enum ice_status status;
	u8 flags = 0;
	int err = 0;
	u8 *mac;

	mac = (u8 *)addr->sa_data;

	if (!is_valid_ether_addr(mac))
		return -EADDRNOTAVAIL;

	if (ether_addr_equal(netdev->dev_addr, mac)) {
		netdev_warn(netdev, "already using mac %pM\n", mac);
		return 0;
	}

	if (test_bit(__ICE_DOWN, pf->state) ||
	    ice_is_reset_in_progress(pf->state)) {
		netdev_err(netdev, "can't set mac %pM. device not ready\n",
			   mac);
		return -EBUSY;
	}

	/* When we change the MAC address we also have to change the MAC address
	 * based filter rules that were created previously for the old MAC
	 * address. So first, we remove the old filter rule using ice_remove_mac
	 * and then create a new filter rule using ice_add_mac via
	 * ice_vsi_cfg_mac_fltr function call for both add and/or remove
	 * filters.
	 */
	status = ice_vsi_cfg_mac_fltr(vsi, netdev->dev_addr, false);
	if (status) {
		err = -EADDRNOTAVAIL;
		goto err_update_filters;
	}

	status = ice_vsi_cfg_mac_fltr(vsi, mac, true);
	if (status) {
		err = -EADDRNOTAVAIL;
		goto err_update_filters;
	}

err_update_filters:
	if (err) {
		netdev_err(netdev, "can't set MAC %pM. filter update failed\n",
			   mac);
		return err;
	}

	/* change the netdev's MAC address */
	memcpy(netdev->dev_addr, mac, netdev->addr_len);
	netdev_dbg(vsi->netdev, "updated MAC address to %pM\n",
		   netdev->dev_addr);

	/* write new MAC address to the firmware */
	flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL;
	status = ice_aq_manage_mac_write(hw, mac, flags, NULL);
	if (status) {
		netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %d\n",
			   mac, status);
	}
	return 0;
}

/**
 * ice_set_rx_mode - NDO callback to set the netdev filters
 * @netdev: network interface device structure
 */
static void ice_set_rx_mode(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	if (!vsi)
		return;

	/* Set the flags to synchronize filters
	 * ndo_set_rx_mode may be triggered even without a change in netdev
	 * flags
	 */
	set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags);
	set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags);
	set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags);

	/* schedule our worker thread which will take care of
	 * applying the new filter changes
	 */
	ice_service_task_schedule(vsi->back);
}

/**
 * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate
 * @netdev: network interface device structure
 * @queue_index: Queue ID
 * @maxrate: maximum bandwidth in Mbps
 */
static int
ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	enum ice_status status;
	u16 q_handle;
	u8 tc;

	/* Validate maxrate requested is within permitted range */
	if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) {
		netdev_err(netdev,
			   "Invalid max rate %d specified for the queue %d\n",
			   maxrate, queue_index);
		return -EINVAL;
	}

	q_handle = vsi->tx_rings[queue_index]->q_handle;
	tc = ice_dcb_get_tc(vsi, queue_index);

	/* Set BW back to default, when user set maxrate to 0 */
	if (!maxrate)
		status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc,
					       q_handle, ICE_MAX_BW);
	else
		status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc,
					  q_handle, ICE_MAX_BW, maxrate * 1000);
	if (status) {
		netdev_err(netdev,
			   "Unable to set Tx max rate, error %d\n", status);
		return -EIO;
	}

	return 0;
}

/**
 * ice_fdb_add - add an entry to the hardware database
 * @ndm: the input from the stack
 * @tb: pointer to array of nladdr (unused)
 * @dev: the net device pointer
 * @addr: the MAC address entry being added
 * @vid: VLAN ID
 * @flags: instructions from stack about fdb operation
 * @extack: netlink extended ack
 */
static int
ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[],
	    struct net_device *dev, const unsigned char *addr, u16 vid,
	    u16 flags, struct netlink_ext_ack __always_unused *extack)
{
	int err;

	if (vid) {
		netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n");
		return -EINVAL;
	}
	if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) {
		netdev_err(dev, "FDB only supports static addresses\n");
		return -EINVAL;
	}

	if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr))
		err = dev_uc_add_excl(dev, addr);
	else if (is_multicast_ether_addr(addr))
		err = dev_mc_add_excl(dev, addr);
	else
		err = -EINVAL;

	/* Only return duplicate errors if NLM_F_EXCL is set */
	if (err == -EEXIST && !(flags & NLM_F_EXCL))
		err = 0;

	return err;
}

/**
 * ice_fdb_del - delete an entry from the hardware database
 * @ndm: the input from the stack
 * @tb: pointer to array of nladdr (unused)
 * @dev: the net device pointer
 * @addr: the MAC address entry being added
 * @vid: VLAN ID
 */
static int
ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
	    struct net_device *dev, const unsigned char *addr,
	    __always_unused u16 vid)
{
	int err;

	if (ndm->ndm_state & NUD_PERMANENT) {
		netdev_err(dev, "FDB only supports static addresses\n");
		return -EINVAL;
	}

	if (is_unicast_ether_addr(addr))
		err = dev_uc_del(dev, addr);
	else if (is_multicast_ether_addr(addr))
		err = dev_mc_del(dev, addr);
	else
		err = -EINVAL;

	return err;
}

/**
 * ice_set_features - set the netdev feature flags
 * @netdev: ptr to the netdev being adjusted
 * @features: the feature set that the stack is suggesting
 */
static int
ice_set_features(struct net_device *netdev, netdev_features_t features)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	int ret = 0;

	/* Don't set any netdev advanced features with device in Safe Mode */
	if (ice_is_safe_mode(vsi->back)) {
		dev_err(&vsi->back->pdev->dev,
			"Device is in Safe Mode - not enabling advanced netdev features\n");
		return ret;
	}

	/* Do not change setting during reset */
	if (ice_is_reset_in_progress(pf->state)) {
		dev_err(&vsi->back->pdev->dev,
			"Device is resetting, changing advanced netdev features temporarily unavailable.\n");
		return -EBUSY;
	}

	/* Multiple features can be changed in one call so keep features in
	 * separate if/else statements to guarantee each feature is checked
	 */
	if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH))
		ret = ice_vsi_manage_rss_lut(vsi, true);
	else if (!(features & NETIF_F_RXHASH) &&
		 netdev->features & NETIF_F_RXHASH)
		ret = ice_vsi_manage_rss_lut(vsi, false);

	if ((features & NETIF_F_HW_VLAN_CTAG_RX) &&
	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
		ret = ice_vsi_manage_vlan_stripping(vsi, true);
	else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) &&
		 (netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
		ret = ice_vsi_manage_vlan_stripping(vsi, false);

	if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
		ret = ice_vsi_manage_vlan_insertion(vsi);
	else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) &&
		 (netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
		ret = ice_vsi_manage_vlan_insertion(vsi);

	if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
		ret = ice_cfg_vlan_pruning(vsi, true, false);
	else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
		 (netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
		ret = ice_cfg_vlan_pruning(vsi, false, false);

	return ret;
}

/**
 * ice_vsi_vlan_setup - Setup VLAN offload properties on a VSI
 * @vsi: VSI to setup VLAN properties for
 */
static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
{
	int ret = 0;

	if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
		ret = ice_vsi_manage_vlan_stripping(vsi, true);
	if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX)
		ret = ice_vsi_manage_vlan_insertion(vsi);

	return ret;
}

/**
 * ice_vsi_cfg - Setup the VSI
 * @vsi: the VSI being configured
 *
 * Return 0 on success and negative value on error
 */
int ice_vsi_cfg(struct ice_vsi *vsi)
{
	int err;

	if (vsi->netdev) {
		ice_set_rx_mode(vsi->netdev);

		err = ice_vsi_vlan_setup(vsi);

		if (err)
			return err;
	}
	ice_vsi_cfg_dcb_rings(vsi);

	err = ice_vsi_cfg_lan_txqs(vsi);
	if (!err && ice_is_xdp_ena_vsi(vsi))
		err = ice_vsi_cfg_xdp_txqs(vsi);
	if (!err)
		err = ice_vsi_cfg_rxqs(vsi);

	return err;
}

/**
 * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI
 * @vsi: the VSI being configured
 */
static void ice_napi_enable_all(struct ice_vsi *vsi)
{
	int q_idx;

	if (!vsi->netdev)
		return;

	ice_for_each_q_vector(vsi, q_idx) {
		struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];

		if (q_vector->rx.ring || q_vector->tx.ring)
			napi_enable(&q_vector->napi);
	}
}

/**
 * ice_up_complete - Finish the last steps of bringing up a connection
 * @vsi: The VSI being configured
 *
 * Return 0 on success and negative value on error
 */
static int ice_up_complete(struct ice_vsi *vsi)
{
	struct ice_pf *pf = vsi->back;
	int err;

	ice_vsi_cfg_msix(vsi);

	/* Enable only Rx rings, Tx rings were enabled by the FW when the
	 * Tx queue group list was configured and the context bits were
	 * programmed using ice_vsi_cfg_txqs
	 */
	err = ice_vsi_start_rx_rings(vsi);
	if (err)
		return err;

	clear_bit(__ICE_DOWN, vsi->state);
	ice_napi_enable_all(vsi);
	ice_vsi_ena_irq(vsi);

	if (vsi->port_info &&
	    (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) &&
	    vsi->netdev) {
		ice_print_link_msg(vsi, true);
		netif_tx_start_all_queues(vsi->netdev);
		netif_carrier_on(vsi->netdev);
	}

	ice_service_task_schedule(pf);

	return 0;
}

/**
 * ice_up - Bring the connection back up after being down
 * @vsi: VSI being configured
 */
int ice_up(struct ice_vsi *vsi)
{
	int err;

	err = ice_vsi_cfg(vsi);
	if (!err)
		err = ice_up_complete(vsi);

	return err;
}

/**
 * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring
 * @ring: Tx or Rx ring to read stats from
 * @pkts: packets stats counter
 * @bytes: bytes stats counter
 *
 * This function fetches stats from the ring considering the atomic operations
 * that needs to be performed to read u64 values in 32 bit machine.
 */
static void
ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes)
{
	unsigned int start;
	*pkts = 0;
	*bytes = 0;

	if (!ring)
		return;
	do {
		start = u64_stats_fetch_begin_irq(&ring->syncp);
		*pkts = ring->stats.pkts;
		*bytes = ring->stats.bytes;
	} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
}

/**
 * ice_update_vsi_ring_stats - Update VSI stats counters
 * @vsi: the VSI to be updated
 */
static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
{
	struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
	struct ice_ring *ring;
	u64 pkts, bytes;
	int i;

	/* reset netdev stats */
	vsi_stats->tx_packets = 0;
	vsi_stats->tx_bytes = 0;
	vsi_stats->rx_packets = 0;
	vsi_stats->rx_bytes = 0;

	/* reset non-netdev (extended) stats */
	vsi->tx_restart = 0;
	vsi->tx_busy = 0;
	vsi->tx_linearize = 0;
	vsi->rx_buf_failed = 0;
	vsi->rx_page_failed = 0;

	rcu_read_lock();

	/* update Tx rings counters */
	ice_for_each_txq(vsi, i) {
		ring = READ_ONCE(vsi->tx_rings[i]);
		ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
		vsi_stats->tx_packets += pkts;
		vsi_stats->tx_bytes += bytes;
		vsi->tx_restart += ring->tx_stats.restart_q;
		vsi->tx_busy += ring->tx_stats.tx_busy;
		vsi->tx_linearize += ring->tx_stats.tx_linearize;
	}

	/* update Rx rings counters */
	ice_for_each_rxq(vsi, i) {
		ring = READ_ONCE(vsi->rx_rings[i]);
		ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
		vsi_stats->rx_packets += pkts;
		vsi_stats->rx_bytes += bytes;
		vsi->rx_buf_failed += ring->rx_stats.alloc_buf_failed;
		vsi->rx_page_failed += ring->rx_stats.alloc_page_failed;
	}

	rcu_read_unlock();
}

/**
 * ice_update_vsi_stats - Update VSI stats counters
 * @vsi: the VSI to be updated
 */
void ice_update_vsi_stats(struct ice_vsi *vsi)
{
	struct rtnl_link_stats64 *cur_ns = &vsi->net_stats;
	struct ice_eth_stats *cur_es = &vsi->eth_stats;
	struct ice_pf *pf = vsi->back;

	if (test_bit(__ICE_DOWN, vsi->state) ||
	    test_bit(__ICE_CFG_BUSY, pf->state))
		return;

	/* get stats as recorded by Tx/Rx rings */
	ice_update_vsi_ring_stats(vsi);

	/* get VSI stats as recorded by the hardware */
	ice_update_eth_stats(vsi);

	cur_ns->tx_errors = cur_es->tx_errors;
	cur_ns->rx_dropped = cur_es->rx_discards;
	cur_ns->tx_dropped = cur_es->tx_discards;
	cur_ns->multicast = cur_es->rx_multicast;

	/* update some more netdev stats if this is main VSI */
	if (vsi->type == ICE_VSI_PF) {
		cur_ns->rx_crc_errors = pf->stats.crc_errors;
		cur_ns->rx_errors = pf->stats.crc_errors +
				    pf->stats.illegal_bytes;
		cur_ns->rx_length_errors = pf->stats.rx_len_errors;
		/* record drops from the port level */
		cur_ns->rx_missed_errors = pf->stats.eth.rx_discards;
	}
}

/**
 * ice_update_pf_stats - Update PF port stats counters
 * @pf: PF whose stats needs to be updated
 */
void ice_update_pf_stats(struct ice_pf *pf)
{
	struct ice_hw_port_stats *prev_ps, *cur_ps;
	struct ice_hw *hw = &pf->hw;
	u8 port;

	port = hw->port_info->lport;
	prev_ps = &pf->stats_prev;
	cur_ps = &pf->stats;

	ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.rx_bytes,
			  &cur_ps->eth.rx_bytes);

	ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.rx_unicast,
			  &cur_ps->eth.rx_unicast);

	ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.rx_multicast,
			  &cur_ps->eth.rx_multicast);

	ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.rx_broadcast,
			  &cur_ps->eth.rx_broadcast);

	ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded,
			  &prev_ps->eth.rx_discards,
			  &cur_ps->eth.rx_discards);

	ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.tx_bytes,
			  &cur_ps->eth.tx_bytes);

	ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.tx_unicast,
			  &cur_ps->eth.tx_unicast);

	ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.tx_multicast,
			  &cur_ps->eth.tx_multicast);

	ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded,
			  &prev_ps->eth.tx_broadcast,
			  &cur_ps->eth.tx_broadcast);

	ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded,
			  &prev_ps->tx_dropped_link_down,
			  &cur_ps->tx_dropped_link_down);

	ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_64, &cur_ps->rx_size_64);

	ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_127, &cur_ps->rx_size_127);

	ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_255, &cur_ps->rx_size_255);

	ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_511, &cur_ps->rx_size_511);

	ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_1023, &cur_ps->rx_size_1023);

	ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_1522, &cur_ps->rx_size_1522);

	ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded,
			  &prev_ps->rx_size_big, &cur_ps->rx_size_big);

	ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_64, &cur_ps->tx_size_64);

	ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_127, &cur_ps->tx_size_127);

	ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_255, &cur_ps->tx_size_255);

	ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_511, &cur_ps->tx_size_511);

	ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_1023, &cur_ps->tx_size_1023);

	ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_1522, &cur_ps->tx_size_1522);

	ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded,
			  &prev_ps->tx_size_big, &cur_ps->tx_size_big);

	ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded,
			  &prev_ps->link_xon_rx, &cur_ps->link_xon_rx);

	ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded,
			  &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx);

	ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded,
			  &prev_ps->link_xon_tx, &cur_ps->link_xon_tx);

	ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded,
			  &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx);

	ice_update_dcb_stats(pf);

	ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded,
			  &prev_ps->crc_errors, &cur_ps->crc_errors);

	ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded,
			  &prev_ps->illegal_bytes, &cur_ps->illegal_bytes);

	ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded,
			  &prev_ps->mac_local_faults,
			  &cur_ps->mac_local_faults);

	ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded,
			  &prev_ps->mac_remote_faults,
			  &cur_ps->mac_remote_faults);

	ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded,
			  &prev_ps->rx_len_errors, &cur_ps->rx_len_errors);

	ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded,
			  &prev_ps->rx_undersize, &cur_ps->rx_undersize);

	ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded,
			  &prev_ps->rx_fragments, &cur_ps->rx_fragments);

	ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded,
			  &prev_ps->rx_oversize, &cur_ps->rx_oversize);

	ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded,
			  &prev_ps->rx_jabber, &cur_ps->rx_jabber);

	pf->stat_prev_loaded = true;
}

/**
 * ice_get_stats64 - get statistics for network device structure
 * @netdev: network interface device structure
 * @stats: main device statistics structure
 */
static
void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct rtnl_link_stats64 *vsi_stats;
	struct ice_vsi *vsi = np->vsi;

	vsi_stats = &vsi->net_stats;

	if (!vsi->num_txq || !vsi->num_rxq)
		return;

	/* netdev packet/byte stats come from ring counter. These are obtained
	 * by summing up ring counters (done by ice_update_vsi_ring_stats).
	 * But, only call the update routine and read the registers if VSI is
	 * not down.
	 */
	if (!test_bit(__ICE_DOWN, vsi->state))
		ice_update_vsi_ring_stats(vsi);
	stats->tx_packets = vsi_stats->tx_packets;
	stats->tx_bytes = vsi_stats->tx_bytes;
	stats->rx_packets = vsi_stats->rx_packets;
	stats->rx_bytes = vsi_stats->rx_bytes;

	/* The rest of the stats can be read from the hardware but instead we
	 * just return values that the watchdog task has already obtained from
	 * the hardware.
	 */
	stats->multicast = vsi_stats->multicast;
	stats->tx_errors = vsi_stats->tx_errors;
	stats->tx_dropped = vsi_stats->tx_dropped;
	stats->rx_errors = vsi_stats->rx_errors;
	stats->rx_dropped = vsi_stats->rx_dropped;
	stats->rx_crc_errors = vsi_stats->rx_crc_errors;
	stats->rx_length_errors = vsi_stats->rx_length_errors;
}

/**
 * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI
 * @vsi: VSI having NAPI disabled
 */
static void ice_napi_disable_all(struct ice_vsi *vsi)
{
	int q_idx;

	if (!vsi->netdev)
		return;

	ice_for_each_q_vector(vsi, q_idx) {
		struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];

		if (q_vector->rx.ring || q_vector->tx.ring)
			napi_disable(&q_vector->napi);
	}
}

/**
 * ice_down - Shutdown the connection
 * @vsi: The VSI being stopped
 */
int ice_down(struct ice_vsi *vsi)
{
	int i, tx_err, rx_err, link_err = 0;

	/* Caller of this function is expected to set the
	 * vsi->state __ICE_DOWN bit
	 */
	if (vsi->netdev) {
		netif_carrier_off(vsi->netdev);
		netif_tx_disable(vsi->netdev);
	}

	ice_vsi_dis_irq(vsi);

	tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
	if (tx_err)
		netdev_err(vsi->netdev,
			   "Failed stop Tx rings, VSI %d error %d\n",
			   vsi->vsi_num, tx_err);
	if (!tx_err && ice_is_xdp_ena_vsi(vsi)) {
		tx_err = ice_vsi_stop_xdp_tx_rings(vsi);
		if (tx_err)
			netdev_err(vsi->netdev,
				   "Failed stop XDP rings, VSI %d error %d\n",
				   vsi->vsi_num, tx_err);
	}

	rx_err = ice_vsi_stop_rx_rings(vsi);
	if (rx_err)
		netdev_err(vsi->netdev,
			   "Failed stop Rx rings, VSI %d error %d\n",
			   vsi->vsi_num, rx_err);

	ice_napi_disable_all(vsi);

	if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) {
		link_err = ice_force_phys_link_state(vsi, false);
		if (link_err)
			netdev_err(vsi->netdev,
				   "Failed to set physical link down, VSI %d error %d\n",
				   vsi->vsi_num, link_err);
	}

	ice_for_each_txq(vsi, i)
		ice_clean_tx_ring(vsi->tx_rings[i]);

	ice_for_each_rxq(vsi, i)
		ice_clean_rx_ring(vsi->rx_rings[i]);

	if (tx_err || rx_err || link_err) {
		netdev_err(vsi->netdev,
			   "Failed to close VSI 0x%04X on switch 0x%04X\n",
			   vsi->vsi_num, vsi->vsw->sw_id);
		return -EIO;
	}

	return 0;
}

/**
 * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources
 * @vsi: VSI having resources allocated
 *
 * Return 0 on success, negative on failure
 */
int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
{
	int i, err = 0;

	if (!vsi->num_txq) {
		dev_err(&vsi->back->pdev->dev, "VSI %d has 0 Tx queues\n",
			vsi->vsi_num);
		return -EINVAL;
	}

	ice_for_each_txq(vsi, i) {
		struct ice_ring *ring = vsi->tx_rings[i];

		if (!ring)
			return -EINVAL;

		ring->netdev = vsi->netdev;
		err = ice_setup_tx_ring(ring);
		if (err)
			break;
	}

	return err;
}

/**
 * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources
 * @vsi: VSI having resources allocated
 *
 * Return 0 on success, negative on failure
 */
int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
{
	int i, err = 0;

	if (!vsi->num_rxq) {
		dev_err(&vsi->back->pdev->dev, "VSI %d has 0 Rx queues\n",
			vsi->vsi_num);
		return -EINVAL;
	}

	ice_for_each_rxq(vsi, i) {
		struct ice_ring *ring = vsi->rx_rings[i];

		if (!ring)
			return -EINVAL;

		ring->netdev = vsi->netdev;
		err = ice_setup_rx_ring(ring);
		if (err)
			break;
	}

	return err;
}

/**
 * ice_vsi_open - Called when a network interface is made active
 * @vsi: the VSI to open
 *
 * Initialization of the VSI
 *
 * Returns 0 on success, negative value on error
 */
static int ice_vsi_open(struct ice_vsi *vsi)
{
	char int_name[ICE_INT_NAME_STR_LEN];
	struct ice_pf *pf = vsi->back;
	int err;

	/* allocate descriptors */
	err = ice_vsi_setup_tx_rings(vsi);
	if (err)
		goto err_setup_tx;

	err = ice_vsi_setup_rx_rings(vsi);
	if (err)
		goto err_setup_rx;

	err = ice_vsi_cfg(vsi);
	if (err)
		goto err_setup_rx;

	snprintf(int_name, sizeof(int_name) - 1, "%s-%s",
		 dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name);
	err = ice_vsi_req_irq_msix(vsi, int_name);
	if (err)
		goto err_setup_rx;

	/* Notify the stack of the actual queue counts. */
	err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq);
	if (err)
		goto err_set_qs;

	err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq);
	if (err)
		goto err_set_qs;

	err = ice_up_complete(vsi);
	if (err)
		goto err_up_complete;

	return 0;

err_up_complete:
	ice_down(vsi);
err_set_qs:
	ice_vsi_free_irq(vsi);
err_setup_rx:
	ice_vsi_free_rx_rings(vsi);
err_setup_tx:
	ice_vsi_free_tx_rings(vsi);

	return err;
}

/**
 * ice_vsi_release_all - Delete all VSIs
 * @pf: PF from which all VSIs are being removed
 */
static void ice_vsi_release_all(struct ice_pf *pf)
{
	int err, i;

	if (!pf->vsi)
		return;

	ice_for_each_vsi(pf, i) {
		if (!pf->vsi[i])
			continue;

		err = ice_vsi_release(pf->vsi[i]);
		if (err)
			dev_dbg(ice_pf_to_dev(pf),
				"Failed to release pf->vsi[%d], err %d, vsi_num = %d\n",
				i, err, pf->vsi[i]->vsi_num);
	}
}

/**
 * ice_vsi_rebuild_by_type - Rebuild VSI of a given type
 * @pf: pointer to the PF instance
 * @type: VSI type to rebuild
 *
 * Iterates through the pf->vsi array and rebuilds VSIs of the requested type
 */
static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type)
{
	struct device *dev = ice_pf_to_dev(pf);
	enum ice_status status;
	int i, err;

	ice_for_each_vsi(pf, i) {
		struct ice_vsi *vsi = pf->vsi[i];

		if (!vsi || vsi->type != type)
			continue;

		/* rebuild the VSI */
		err = ice_vsi_rebuild(vsi, true);
		if (err) {
			dev_err(dev,
				"rebuild VSI failed, err %d, VSI index %d, type %s\n",
				err, vsi->idx, ice_vsi_type_str(type));
			return err;
		}

		/* replay filters for the VSI */
		status = ice_replay_vsi(&pf->hw, vsi->idx);
		if (status) {
			dev_err(dev,
				"replay VSI failed, status %d, VSI index %d, type %s\n",
				status, vsi->idx, ice_vsi_type_str(type));
			return -EIO;
		}

		/* Re-map HW VSI number, using VSI handle that has been
		 * previously validated in ice_replay_vsi() call above
		 */
		vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx);

		/* enable the VSI */
		err = ice_ena_vsi(vsi, false);
		if (err) {
			dev_err(dev,
				"enable VSI failed, err %d, VSI index %d, type %s\n",
				err, vsi->idx, ice_vsi_type_str(type));
			return err;
		}

		dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx,
			 ice_vsi_type_str(type));
	}

	return 0;
}

/**
 * ice_update_pf_netdev_link - Update PF netdev link status
 * @pf: pointer to the PF instance
 */
static void ice_update_pf_netdev_link(struct ice_pf *pf)
{
	bool link_up;
	int i;

	ice_for_each_vsi(pf, i) {
		struct ice_vsi *vsi = pf->vsi[i];

		if (!vsi || vsi->type != ICE_VSI_PF)
			return;

		ice_get_link_status(pf->vsi[i]->port_info, &link_up);
		if (link_up) {
			netif_carrier_on(pf->vsi[i]->netdev);
			netif_tx_wake_all_queues(pf->vsi[i]->netdev);
		} else {
			netif_carrier_off(pf->vsi[i]->netdev);
			netif_tx_stop_all_queues(pf->vsi[i]->netdev);
		}
	}
}

/**
 * ice_rebuild - rebuild after reset
 * @pf: PF to rebuild
 * @reset_type: type of reset
 */
static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
{
	struct device *dev = ice_pf_to_dev(pf);
	struct ice_hw *hw = &pf->hw;
	enum ice_status ret;
	int err;

	if (test_bit(__ICE_DOWN, pf->state))
		goto clear_recovery;

	dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type);

	ret = ice_init_all_ctrlq(hw);
	if (ret) {
		dev_err(dev, "control queues init failed %d\n", ret);
		goto err_init_ctrlq;
	}

	/* if DDP was previously loaded successfully */
	if (!ice_is_safe_mode(pf)) {
		/* reload the SW DB of filter tables */
		if (reset_type == ICE_RESET_PFR)
			ice_fill_blk_tbls(hw);
		else
			/* Reload DDP Package after CORER/GLOBR reset */
			ice_load_pkg(NULL, pf);
	}

	ret = ice_clear_pf_cfg(hw);
	if (ret) {
		dev_err(dev, "clear PF configuration failed %d\n", ret);
		goto err_init_ctrlq;
	}

	if (pf->first_sw->dflt_vsi_ena)
		dev_info(dev,
			 "Clearing default VSI, re-enable after reset completes\n");
	/* clear the default VSI configuration if it exists */
	pf->first_sw->dflt_vsi = NULL;
	pf->first_sw->dflt_vsi_ena = false;

	ice_clear_pxe_mode(hw);

	ret = ice_get_caps(hw);
	if (ret) {
		dev_err(dev, "ice_get_caps failed %d\n", ret);
		goto err_init_ctrlq;
	}

	err = ice_sched_init_port(hw->port_info);
	if (err)
		goto err_sched_init_port;

	err = ice_update_link_info(hw->port_info);
	if (err)
		dev_err(dev, "Get link status error %d\n", err);

	/* start misc vector */
	err = ice_req_irq_msix_misc(pf);
	if (err) {
		dev_err(dev, "misc vector setup failed: %d\n", err);
		goto err_sched_init_port;
	}

	if (test_bit(ICE_FLAG_DCB_ENA, pf->flags))
		ice_dcb_rebuild(pf);

	/* rebuild PF VSI */
	err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF);
	if (err) {
		dev_err(dev, "PF VSI rebuild failed: %d\n", err);
		goto err_vsi_rebuild;
	}

	if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) {
		err = ice_vsi_rebuild_by_type(pf, ICE_VSI_VF);
		if (err) {
			dev_err(dev, "VF VSI rebuild failed: %d\n", err);
			goto err_vsi_rebuild;
		}
	}

	ice_update_pf_netdev_link(pf);

	/* tell the firmware we are up */
	ret = ice_send_version(pf);
	if (ret) {
		dev_err(dev,
			"Rebuild failed due to error sending driver version: %d\n",
			ret);
		goto err_vsi_rebuild;
	}

	ice_replay_post(hw);

	/* if we get here, reset flow is successful */
	clear_bit(__ICE_RESET_FAILED, pf->state);
	return;

err_vsi_rebuild:
err_sched_init_port:
	ice_sched_cleanup_all(hw);
err_init_ctrlq:
	ice_shutdown_all_ctrlq(hw);
	set_bit(__ICE_RESET_FAILED, pf->state);
clear_recovery:
	/* set this bit in PF state to control service task scheduling */
	set_bit(__ICE_NEEDS_RESTART, pf->state);
	dev_err(dev, "Rebuild failed, unload and reload driver\n");
}

/**
 * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP
 * @vsi: Pointer to VSI structure
 */
static int ice_max_xdp_frame_size(struct ice_vsi *vsi)
{
	if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags))
		return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM;
	else
		return ICE_RXBUF_3072;
}

/**
 * ice_change_mtu - NDO callback to change the MTU
 * @netdev: network interface device structure
 * @new_mtu: new value for maximum frame size
 *
 * Returns 0 on success, negative on failure
 */
static int ice_change_mtu(struct net_device *netdev, int new_mtu)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	u8 count = 0;

	if (new_mtu == netdev->mtu) {
		netdev_warn(netdev, "MTU is already %u\n", netdev->mtu);
		return 0;
	}

	if (ice_is_xdp_ena_vsi(vsi)) {
		int frame_size = ice_max_xdp_frame_size(vsi);

		if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) {
			netdev_err(netdev, "max MTU for XDP usage is %d\n",
				   frame_size - ICE_ETH_PKT_HDR_PAD);
			return -EINVAL;
		}
	}

	if (new_mtu < netdev->min_mtu) {
		netdev_err(netdev, "new MTU invalid. min_mtu is %d\n",
			   netdev->min_mtu);
		return -EINVAL;
	} else if (new_mtu > netdev->max_mtu) {
		netdev_err(netdev, "new MTU invalid. max_mtu is %d\n",
			   netdev->min_mtu);
		return -EINVAL;
	}
	/* if a reset is in progress, wait for some time for it to complete */
	do {
		if (ice_is_reset_in_progress(pf->state)) {
			count++;
			usleep_range(1000, 2000);
		} else {
			break;
		}

	} while (count < 100);

	if (count == 100) {
		netdev_err(netdev, "can't change MTU. Device is busy\n");
		return -EBUSY;
	}

	netdev->mtu = new_mtu;

	/* if VSI is up, bring it down and then back up */
	if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
		int err;

		err = ice_down(vsi);
		if (err) {
			netdev_err(netdev, "change MTU if_up err %d\n", err);
			return err;
		}

		err = ice_up(vsi);
		if (err) {
			netdev_err(netdev, "change MTU if_up err %d\n", err);
			return err;
		}
	}

	netdev_dbg(netdev, "changed MTU to %d\n", new_mtu);
	return 0;
}

/**
 * ice_set_rss - Set RSS keys and lut
 * @vsi: Pointer to VSI structure
 * @seed: RSS hash seed
 * @lut: Lookup table
 * @lut_size: Lookup table size
 *
 * Returns 0 on success, negative on failure
 */
int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
{
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status;
	struct device *dev;

	dev = ice_pf_to_dev(pf);
	if (seed) {
		struct ice_aqc_get_set_rss_keys *buf =
				  (struct ice_aqc_get_set_rss_keys *)seed;

		status = ice_aq_set_rss_key(hw, vsi->idx, buf);

		if (status) {
			dev_err(dev, "Cannot set RSS key, err %d aq_err %d\n",
				status, hw->adminq.rq_last_status);
			return -EIO;
		}
	}

	if (lut) {
		status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type,
					    lut, lut_size);
		if (status) {
			dev_err(dev, "Cannot set RSS lut, err %d aq_err %d\n",
				status, hw->adminq.rq_last_status);
			return -EIO;
		}
	}

	return 0;
}

/**
 * ice_get_rss - Get RSS keys and lut
 * @vsi: Pointer to VSI structure
 * @seed: Buffer to store the keys
 * @lut: Buffer to store the lookup table entries
 * @lut_size: Size of buffer to store the lookup table entries
 *
 * Returns 0 on success, negative on failure
 */
int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
{
	struct ice_pf *pf = vsi->back;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status;
	struct device *dev;

	dev = ice_pf_to_dev(pf);
	if (seed) {
		struct ice_aqc_get_set_rss_keys *buf =
				  (struct ice_aqc_get_set_rss_keys *)seed;

		status = ice_aq_get_rss_key(hw, vsi->idx, buf);
		if (status) {
			dev_err(dev, "Cannot get RSS key, err %d aq_err %d\n",
				status, hw->adminq.rq_last_status);
			return -EIO;
		}
	}

	if (lut) {
		status = ice_aq_get_rss_lut(hw, vsi->idx, vsi->rss_lut_type,
					    lut, lut_size);
		if (status) {
			dev_err(dev, "Cannot get RSS lut, err %d aq_err %d\n",
				status, hw->adminq.rq_last_status);
			return -EIO;
		}
	}

	return 0;
}

/**
 * ice_bridge_getlink - Get the hardware bridge mode
 * @skb: skb buff
 * @pid: process ID
 * @seq: RTNL message seq
 * @dev: the netdev being configured
 * @filter_mask: filter mask passed in
 * @nlflags: netlink flags passed in
 *
 * Return the bridge mode (VEB/VEPA)
 */
static int
ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
		   struct net_device *dev, u32 filter_mask, int nlflags)
{
	struct ice_netdev_priv *np = netdev_priv(dev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	u16 bmode;

	bmode = pf->first_sw->bridge_mode;

	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags,
				       filter_mask, NULL);
}

/**
 * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA)
 * @vsi: Pointer to VSI structure
 * @bmode: Hardware bridge mode (VEB/VEPA)
 *
 * Returns 0 on success, negative on failure
 */
static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode)
{
	struct ice_aqc_vsi_props *vsi_props;
	struct ice_hw *hw = &vsi->back->hw;
	struct ice_vsi_ctx *ctxt;
	enum ice_status status;
	int ret = 0;

	vsi_props = &vsi->info;

	ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
	if (!ctxt)
		return -ENOMEM;

	ctxt->info = vsi->info;

	if (bmode == BRIDGE_MODE_VEB)
		/* change from VEPA to VEB mode */
		ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
	else
		/* change from VEB to VEPA mode */
		ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
	ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID);

	status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
	if (status) {
		dev_err(&vsi->back->pdev->dev, "update VSI for bridge mode failed, bmode = %d err %d aq_err %d\n",
			bmode, status, hw->adminq.sq_last_status);
		ret = -EIO;
		goto out;
	}
	/* Update sw flags for book keeping */
	vsi_props->sw_flags = ctxt->info.sw_flags;

out:
	kfree(ctxt);
	return ret;
}

/**
 * ice_bridge_setlink - Set the hardware bridge mode
 * @dev: the netdev being configured
 * @nlh: RTNL message
 * @flags: bridge setlink flags
 * @extack: netlink extended ack
 *
 * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is
 * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if
 * not already set for all VSIs connected to this switch. And also update the
 * unicast switch filter rules for the corresponding switch of the netdev.
 */
static int
ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
		   u16 __always_unused flags,
		   struct netlink_ext_ack __always_unused *extack)
{
	struct ice_netdev_priv *np = netdev_priv(dev);
	struct ice_pf *pf = np->vsi->back;
	struct nlattr *attr, *br_spec;
	struct ice_hw *hw = &pf->hw;
	enum ice_status status;
	struct ice_sw *pf_sw;
	int rem, v, err = 0;

	pf_sw = pf->first_sw;
	/* find the attribute in the netlink message */
	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);

	nla_for_each_nested(attr, br_spec, rem) {
		__u16 mode;

		if (nla_type(attr) != IFLA_BRIDGE_MODE)
			continue;
		mode = nla_get_u16(attr);
		if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB)
			return -EINVAL;
		/* Continue  if bridge mode is not being flipped */
		if (mode == pf_sw->bridge_mode)
			continue;
		/* Iterates through the PF VSI list and update the loopback
		 * mode of the VSI
		 */
		ice_for_each_vsi(pf, v) {
			if (!pf->vsi[v])
				continue;
			err = ice_vsi_update_bridge_mode(pf->vsi[v], mode);
			if (err)
				return err;
		}

		hw->evb_veb = (mode == BRIDGE_MODE_VEB);
		/* Update the unicast switch filter rules for the corresponding
		 * switch of the netdev
		 */
		status = ice_update_sw_rule_bridge_mode(hw);
		if (status) {
			netdev_err(dev, "switch rule update failed, mode = %d err %d aq_err %d\n",
				   mode, status, hw->adminq.sq_last_status);
			/* revert hw->evb_veb */
			hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB);
			return -EIO;
		}

		pf_sw->bridge_mode = mode;
	}

	return 0;
}

/**
 * ice_tx_timeout - Respond to a Tx Hang
 * @netdev: network interface device structure
 */
static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_ring *tx_ring = NULL;
	struct ice_vsi *vsi = np->vsi;
	struct ice_pf *pf = vsi->back;
	u32 i;

	pf->tx_timeout_count++;

	/* now that we have an index, find the tx_ring struct */
	for (i = 0; i < vsi->num_txq; i++)
		if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
			if (txqueue == vsi->tx_rings[i]->q_index) {
				tx_ring = vsi->tx_rings[i];
				break;
			}

	/* Reset recovery level if enough time has elapsed after last timeout.
	 * Also ensure no new reset action happens before next timeout period.
	 */
	if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20)))
		pf->tx_timeout_recovery_level = 1;
	else if (time_before(jiffies, (pf->tx_timeout_last_recovery +
				       netdev->watchdog_timeo)))
		return;

	if (tx_ring) {
		struct ice_hw *hw = &pf->hw;
		u32 head, val = 0;

		head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) &
			QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S;
		/* Read interrupt register */
		val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx));

		netdev_info(netdev, "tx_timeout: VSI_num: %d, Q %d, NTC: 0x%x, HW_HEAD: 0x%x, NTU: 0x%x, INT: 0x%x\n",
			    vsi->vsi_num, txqueue, tx_ring->next_to_clean,
			    head, tx_ring->next_to_use, val);
	}

	pf->tx_timeout_last_recovery = jiffies;
	netdev_info(netdev, "tx_timeout recovery level %d, txqueue %d\n",
		    pf->tx_timeout_recovery_level, txqueue);

	switch (pf->tx_timeout_recovery_level) {
	case 1:
		set_bit(__ICE_PFR_REQ, pf->state);
		break;
	case 2:
		set_bit(__ICE_CORER_REQ, pf->state);
		break;
	case 3:
		set_bit(__ICE_GLOBR_REQ, pf->state);
		break;
	default:
		netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n");
		set_bit(__ICE_DOWN, pf->state);
		set_bit(__ICE_NEEDS_RESTART, vsi->state);
		set_bit(__ICE_SERVICE_DIS, pf->state);
		break;
	}

	ice_service_task_schedule(pf);
	pf->tx_timeout_recovery_level++;
}

/**
 * ice_open - Called when a network interface becomes active
 * @netdev: network interface device structure
 *
 * The open entry point is called when a network interface is made
 * active by the system (IFF_UP). At this point all resources needed
 * for transmit and receive operations are allocated, the interrupt
 * handler is registered with the OS, the netdev watchdog is enabled,
 * and the stack is notified that the interface is ready.
 *
 * Returns 0 on success, negative value on failure
 */
int ice_open(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;
	struct ice_port_info *pi;
	int err;

	if (test_bit(__ICE_NEEDS_RESTART, vsi->back->state)) {
		netdev_err(netdev, "driver needs to be unloaded and reloaded\n");
		return -EIO;
	}

	netif_carrier_off(netdev);

	pi = vsi->port_info;
	err = ice_update_link_info(pi);
	if (err) {
		netdev_err(netdev, "Failed to get link info, error %d\n",
			   err);
		return err;
	}

	/* Set PHY if there is media, otherwise, turn off PHY */
	if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) {
		err = ice_force_phys_link_state(vsi, true);
		if (err) {
			netdev_err(netdev,
				   "Failed to set physical link up, error %d\n",
				   err);
			return err;
		}
	} else {
		err = ice_aq_set_link_restart_an(pi, false, NULL);
		if (err) {
			netdev_err(netdev, "Failed to set PHY state, VSI %d error %d\n",
				   vsi->vsi_num, err);
			return err;
		}
		set_bit(ICE_FLAG_NO_MEDIA, vsi->back->flags);
	}

	err = ice_vsi_open(vsi);
	if (err)
		netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n",
			   vsi->vsi_num, vsi->vsw->sw_id);
	return err;
}

/**
 * ice_stop - Disables a network interface
 * @netdev: network interface device structure
 *
 * The stop entry point is called when an interface is de-activated by the OS,
 * and the netdevice enters the DOWN state. The hardware is still under the
 * driver's control, but the netdev interface is disabled.
 *
 * Returns success only - not allowed to fail
 */
int ice_stop(struct net_device *netdev)
{
	struct ice_netdev_priv *np = netdev_priv(netdev);
	struct ice_vsi *vsi = np->vsi;

	ice_vsi_close(vsi);

	return 0;
}

/**
 * ice_features_check - Validate encapsulated packet conforms to limits
 * @skb: skb buffer
 * @netdev: This port's netdev
 * @features: Offload features that the stack believes apply
 */
static netdev_features_t
ice_features_check(struct sk_buff *skb,
		   struct net_device __always_unused *netdev,
		   netdev_features_t features)
{
	size_t len;

	/* No point in doing any of this if neither checksum nor GSO are
	 * being requested for this frame. We can rule out both by just
	 * checking for CHECKSUM_PARTIAL
	 */
	if (skb->ip_summed != CHECKSUM_PARTIAL)
		return features;

	/* We cannot support GSO if the MSS is going to be less than
	 * 64 bytes. If it is then we need to drop support for GSO.
	 */
	if (skb_is_gso(skb) && (skb_shinfo(skb)->gso_size < 64))
		features &= ~NETIF_F_GSO_MASK;

	len = skb_network_header(skb) - skb->data;
	if (len & ~(ICE_TXD_MACLEN_MAX))
		goto out_rm_features;

	len = skb_transport_header(skb) - skb_network_header(skb);
	if (len & ~(ICE_TXD_IPLEN_MAX))
		goto out_rm_features;

	if (skb->encapsulation) {
		len = skb_inner_network_header(skb) - skb_transport_header(skb);
		if (len & ~(ICE_TXD_L4LEN_MAX))
			goto out_rm_features;

		len = skb_inner_transport_header(skb) -
		      skb_inner_network_header(skb);
		if (len & ~(ICE_TXD_IPLEN_MAX))
			goto out_rm_features;
	}

	return features;
out_rm_features:
	return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
}

static const struct net_device_ops ice_netdev_safe_mode_ops = {
	.ndo_open = ice_open,
	.ndo_stop = ice_stop,
	.ndo_start_xmit = ice_start_xmit,
	.ndo_set_mac_address = ice_set_mac_address,
	.ndo_validate_addr = eth_validate_addr,
	.ndo_change_mtu = ice_change_mtu,
	.ndo_get_stats64 = ice_get_stats64,
	.ndo_tx_timeout = ice_tx_timeout,
};

static const struct net_device_ops ice_netdev_ops = {
	.ndo_open = ice_open,
	.ndo_stop = ice_stop,
	.ndo_start_xmit = ice_start_xmit,
	.ndo_features_check = ice_features_check,
	.ndo_set_rx_mode = ice_set_rx_mode,
	.ndo_set_mac_address = ice_set_mac_address,
	.ndo_validate_addr = eth_validate_addr,
	.ndo_change_mtu = ice_change_mtu,
	.ndo_get_stats64 = ice_get_stats64,
	.ndo_set_tx_maxrate = ice_set_tx_maxrate,
	.ndo_set_vf_spoofchk = ice_set_vf_spoofchk,
	.ndo_set_vf_mac = ice_set_vf_mac,
	.ndo_get_vf_config = ice_get_vf_cfg,
	.ndo_set_vf_trust = ice_set_vf_trust,
	.ndo_set_vf_vlan = ice_set_vf_port_vlan,
	.ndo_set_vf_link_state = ice_set_vf_link_state,
	.ndo_get_vf_stats = ice_get_vf_stats,
	.ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid,
	.ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid,
	.ndo_set_features = ice_set_features,
	.ndo_bridge_getlink = ice_bridge_getlink,
	.ndo_bridge_setlink = ice_bridge_setlink,
	.ndo_fdb_add = ice_fdb_add,
	.ndo_fdb_del = ice_fdb_del,
	.ndo_tx_timeout = ice_tx_timeout,
	.ndo_bpf = ice_xdp,
	.ndo_xdp_xmit = ice_xdp_xmit,
	.ndo_xsk_wakeup = ice_xsk_wakeup,
};