summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
blob: 0752b7fa4d9c005db32f7b537c43ffcd9df51f31 (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
/* bnx2x_vfpf.c: QLogic Everest network driver.
 *
 * Copyright 2009-2013 Broadcom Corporation
 * Copyright 2014 QLogic Corporation
 * All rights reserved
 *
 * Unless you and QLogic execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2, available
 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
 *
 * Notwithstanding the above, under no circumstances may you combine this
 * software in any way with any other QLogic software provided under a
 * license other than the GPL, without QLogic's express prior written
 * consent.
 *
 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
 * Written by: Shmulik Ravid
 *	       Ariel Elior <ariel.elior@qlogic.com>
 */

#include "bnx2x.h"
#include "bnx2x_cmn.h"
#include <linux/crc32.h>

static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx);

/* place a given tlv on the tlv buffer at a given offset */
static void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list,
			  u16 offset, u16 type, u16 length)
{
	struct channel_tlv *tl =
		(struct channel_tlv *)(tlvs_list + offset);

	tl->type = type;
	tl->length = length;
}

/* Clear the mailbox and init the header of the first tlv */
static void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
			    u16 type, u16 length)
{
	mutex_lock(&bp->vf2pf_mutex);

	DP(BNX2X_MSG_IOV, "preparing to send %d tlv over vf pf channel\n",
	   type);

	/* Clear mailbox */
	memset(bp->vf2pf_mbox, 0, sizeof(struct bnx2x_vf_mbx_msg));

	/* init type and length */
	bnx2x_add_tlv(bp, &first_tlv->tl, 0, type, length);

	/* init first tlv header */
	first_tlv->resp_msg_offset = sizeof(bp->vf2pf_mbox->req);
}

/* releases the mailbox */
static void bnx2x_vfpf_finalize(struct bnx2x *bp,
				struct vfpf_first_tlv *first_tlv)
{
	DP(BNX2X_MSG_IOV, "done sending [%d] tlv over vf pf channel\n",
	   first_tlv->tl.type);

	mutex_unlock(&bp->vf2pf_mutex);
}

/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
				   enum channel_tlvs req_tlv)
{
	struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;

	do {
		if (tlv->type == req_tlv)
			return tlv;

		if (!tlv->length) {
			BNX2X_ERR("Found TLV with length 0\n");
			return NULL;
		}

		tlvs_list += tlv->length;
		tlv = (struct channel_tlv *)tlvs_list;
	} while (tlv->type != CHANNEL_TLV_LIST_END);

	DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);

	return NULL;
}

/* list the types and lengths of the tlvs on the buffer */
static void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
{
	int i = 1;
	struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;

	while (tlv->type != CHANNEL_TLV_LIST_END) {
		/* output tlv */
		DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
		   tlv->type, tlv->length);

		/* advance to next tlv */
		tlvs_list += tlv->length;

		/* cast general tlv list pointer to channel tlv header*/
		tlv = (struct channel_tlv *)tlvs_list;

		i++;

		/* break condition for this loop */
		if (i > MAX_TLVS_IN_LIST) {
			WARN(true, "corrupt tlvs");
			return;
		}
	}

	/* output last tlv */
	DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
	   tlv->type, tlv->length);
}

/* test whether we support a tlv type */
bool bnx2x_tlv_supported(u16 tlvtype)
{
	return CHANNEL_TLV_NONE < tlvtype && tlvtype < CHANNEL_TLV_MAX;
}

static inline int bnx2x_pfvf_status_codes(int rc)
{
	switch (rc) {
	case 0:
		return PFVF_STATUS_SUCCESS;
	case -ENOMEM:
		return PFVF_STATUS_NO_RESOURCE;
	default:
		return PFVF_STATUS_FAILURE;
	}
}

static int bnx2x_send_msg2pf(struct bnx2x *bp, u8 *done, dma_addr_t msg_mapping)
{
	struct cstorm_vf_zone_data __iomem *zone_data =
		REG_ADDR(bp, PXP_VF_ADDR_CSDM_GLOBAL_START);
	int tout = 100, interval = 100; /* wait for 10 seconds */

	if (*done) {
		BNX2X_ERR("done was non zero before message to pf was sent\n");
		WARN_ON(true);
		return -EINVAL;
	}

	/* if PF indicated channel is down avoid sending message. Return success
	 * so calling flow can continue
	 */
	bnx2x_sample_bulletin(bp);
	if (bp->old_bulletin.valid_bitmap & 1 << CHANNEL_DOWN) {
		DP(BNX2X_MSG_IOV, "detecting channel down. Aborting message\n");
		*done = PFVF_STATUS_SUCCESS;
		return -EINVAL;
	}

	/* Write message address */
	writel(U64_LO(msg_mapping),
	       &zone_data->non_trigger.vf_pf_channel.msg_addr_lo);
	writel(U64_HI(msg_mapping),
	       &zone_data->non_trigger.vf_pf_channel.msg_addr_hi);

	/* make sure the address is written before FW accesses it */
	wmb();

	/* Trigger the PF FW */
	writeb_relaxed(1, &zone_data->trigger.vf_pf_channel.addr_valid);

	/* Wait for PF to complete */
	while ((tout >= 0) && (!*done)) {
		msleep(interval);
		tout -= 1;

		/* progress indicator - HV can take its own sweet time in
		 * answering VFs...
		 */
		DP_CONT(BNX2X_MSG_IOV, ".");
	}

	if (!*done) {
		BNX2X_ERR("PF response has timed out\n");
		return -EAGAIN;
	}
	DP(BNX2X_MSG_SP, "Got a response from PF\n");
	return 0;
}

static int bnx2x_get_vf_id(struct bnx2x *bp, u32 *vf_id)
{
	u32 me_reg;
	int tout = 10, interval = 100; /* Wait for 1 sec */

	do {
		/* pxp traps vf read of doorbells and returns me reg value */
		me_reg = readl(bp->doorbells);
		if (GOOD_ME_REG(me_reg))
			break;

		msleep(interval);

		BNX2X_ERR("Invalid ME register value: 0x%08x\n. Is pf driver up?",
			  me_reg);
	} while (tout-- > 0);

	if (!GOOD_ME_REG(me_reg)) {
		BNX2X_ERR("Invalid ME register value: 0x%08x\n", me_reg);
		return -EINVAL;
	}

	DP(BNX2X_MSG_IOV, "valid ME register value: 0x%08x\n", me_reg);

	*vf_id = (me_reg & ME_REG_VF_NUM_MASK) >> ME_REG_VF_NUM_SHIFT;

	return 0;
}

int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
{
	int rc = 0, attempts = 0;
	struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
	struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
	struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
	struct vfpf_fp_hsi_resp_tlv *fp_hsi_resp;
	u32 vf_id;
	bool resources_acquired = false;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_ACQUIRE, sizeof(*req));

	if (bnx2x_get_vf_id(bp, &vf_id)) {
		rc = -EAGAIN;
		goto out;
	}

	req->vfdev_info.vf_id = vf_id;
	req->vfdev_info.vf_os = 0;
	req->vfdev_info.fp_hsi_ver = ETH_FP_HSI_VERSION;

	req->resc_request.num_rxqs = rx_count;
	req->resc_request.num_txqs = tx_count;
	req->resc_request.num_sbs = bp->igu_sb_cnt;
	req->resc_request.num_mac_filters = VF_ACQUIRE_MAC_FILTERS;
	req->resc_request.num_mc_filters = VF_ACQUIRE_MC_FILTERS;
	req->resc_request.num_vlan_filters = VF_ACQUIRE_VLAN_FILTERS;

	/* pf 2 vf bulletin board address */
	req->bulletin_addr = bp->pf2vf_bulletin_mapping;

	/* Request physical port identifier */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
		      CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));

	/* Bulletin support for bulletin board with length > legacy length */
	req->vfdev_info.caps |= VF_CAP_SUPPORT_EXT_BULLETIN;
	/* vlan filtering is supported */
	req->vfdev_info.caps |= VF_CAP_SUPPORT_VLAN_FILTER;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req,
		      req->first_tlv.tl.length + sizeof(struct channel_tlv),
		      CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	while (!resources_acquired) {
		DP(BNX2X_MSG_SP, "attempting to acquire resources\n");

		/* send acquire request */
		rc = bnx2x_send_msg2pf(bp,
				       &resp->hdr.status,
				       bp->vf2pf_mbox_mapping);

		/* PF timeout */
		if (rc)
			goto out;

		/* copy acquire response from buffer to bp */
		memcpy(&bp->acquire_resp, resp, sizeof(bp->acquire_resp));

		attempts++;

		/* test whether the PF accepted our request. If not, humble
		 * the request and try again.
		 */
		if (bp->acquire_resp.hdr.status == PFVF_STATUS_SUCCESS) {
			DP(BNX2X_MSG_SP, "resources acquired\n");
			resources_acquired = true;
		} else if (bp->acquire_resp.hdr.status ==
			   PFVF_STATUS_NO_RESOURCE &&
			   attempts < VF_ACQUIRE_THRESH) {
			DP(BNX2X_MSG_SP,
			   "PF unwilling to fulfill resource request. Try PF recommended amount\n");

			/* humble our request */
			req->resc_request.num_txqs =
				min(req->resc_request.num_txqs,
				    bp->acquire_resp.resc.num_txqs);
			req->resc_request.num_rxqs =
				min(req->resc_request.num_rxqs,
				    bp->acquire_resp.resc.num_rxqs);
			req->resc_request.num_sbs =
				min(req->resc_request.num_sbs,
				    bp->acquire_resp.resc.num_sbs);
			req->resc_request.num_mac_filters =
				min(req->resc_request.num_mac_filters,
				    bp->acquire_resp.resc.num_mac_filters);
			req->resc_request.num_vlan_filters =
				min(req->resc_request.num_vlan_filters,
				    bp->acquire_resp.resc.num_vlan_filters);
			req->resc_request.num_mc_filters =
				min(req->resc_request.num_mc_filters,
				    bp->acquire_resp.resc.num_mc_filters);

			/* Clear response buffer */
			memset(&bp->vf2pf_mbox->resp, 0,
			       sizeof(union pfvf_tlvs));
		} else {
			/* Determine reason of PF failure of acquire process */
			fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,
							    CHANNEL_TLV_FP_HSI_SUPPORT);
			if (fp_hsi_resp && !fp_hsi_resp->is_supported)
				BNX2X_ERR("Old hypervisor - doesn't support current fastpath HSI version; Need to downgrade VF driver [or upgrade hypervisor]\n");
			else
				BNX2X_ERR("Failed to get the requested amount of resources: %d. Breaking...\n",
					  bp->acquire_resp.hdr.status);
			rc = -EAGAIN;
			goto out;
		}
	}

	/* Retrieve physical port id (if possible) */
	phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
			 bnx2x_search_tlv_list(bp, resp,
					       CHANNEL_TLV_PHYS_PORT_ID);
	if (phys_port_resp) {
		memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
		bp->flags |= HAS_PHYS_PORT_ID;
	}

	/* Old Hypevisors might not even support the FP_HSI_SUPPORT TLV.
	 * If that's the case, we need to make certain required FW was
	 * supported by such a hypervisor [i.e., v0-v2].
	 */
	fp_hsi_resp = bnx2x_search_tlv_list(bp, resp,
					    CHANNEL_TLV_FP_HSI_SUPPORT);
	if (!fp_hsi_resp && (ETH_FP_HSI_VERSION > ETH_FP_HSI_VER_2)) {
		BNX2X_ERR("Old hypervisor - need to downgrade VF's driver\n");

		/* Since acquire succeeded on the PF side, we need to send a
		 * release message in order to allow future probes.
		 */
		bnx2x_vfpf_finalize(bp, &req->first_tlv);
		bnx2x_vfpf_release(bp);

		rc = -EINVAL;
		goto out;
	}

	/* get HW info */
	bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
	bp->link_params.chip_id = bp->common.chip_id;
	bp->db_size = bp->acquire_resp.pfdev_info.db_size;
	bp->common.int_block = INT_BLOCK_IGU;
	bp->common.chip_port_mode = CHIP_2_PORT_MODE;
	bp->igu_dsb_id = -1;
	bp->mf_ov = 0;
	bp->mf_mode = 0;
	bp->common.flash_size = 0;
	bp->flags |=
		NO_WOL_FLAG | NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG | NO_FCOE_FLAG;
	bp->igu_sb_cnt = bp->acquire_resp.resc.num_sbs;
	bp->igu_base_sb = bp->acquire_resp.resc.hw_sbs[0].hw_sb_id;
	bp->vlan_credit = bp->acquire_resp.resc.num_vlan_filters;

	strlcpy(bp->fw_ver, bp->acquire_resp.pfdev_info.fw_ver,
		sizeof(bp->fw_ver));

	if (is_valid_ether_addr(bp->acquire_resp.resc.current_mac_addr))
		memcpy(bp->dev->dev_addr,
		       bp->acquire_resp.resc.current_mac_addr,
		       ETH_ALEN);

out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);
	return rc;
}

int bnx2x_vfpf_release(struct bnx2x *bp)
{
	struct vfpf_release_tlv *req = &bp->vf2pf_mbox->req.release;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	u32 rc, vf_id;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_RELEASE, sizeof(*req));

	if (bnx2x_get_vf_id(bp, &vf_id)) {
		rc = -EAGAIN;
		goto out;
	}

	req->vf_id = vf_id;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	/* send release request */
	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);

	if (rc)
		/* PF timeout */
		goto out;

	if (resp->hdr.status == PFVF_STATUS_SUCCESS) {
		/* PF released us */
		DP(BNX2X_MSG_SP, "vf released\n");
	} else {
		/* PF reports error */
		BNX2X_ERR("PF failed our release request - are we out of sync? Response status: %d\n",
			  resp->hdr.status);
		rc = -EAGAIN;
		goto out;
	}
out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

/* Tell PF about SB addresses */
int bnx2x_vfpf_init(struct bnx2x *bp)
{
	struct vfpf_init_tlv *req = &bp->vf2pf_mbox->req.init;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	int rc, i;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_INIT, sizeof(*req));

	/* status blocks */
	for_each_eth_queue(bp, i)
		req->sb_addr[i] = (dma_addr_t)bnx2x_fp(bp, i,
						       status_blk_mapping);

	/* statistics - requests only supports single queue for now */
	req->stats_addr = bp->fw_stats_data_mapping +
			  offsetof(struct bnx2x_fw_stats_data, queue_stats);

	req->stats_stride = sizeof(struct per_queue_stats);

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc)
		goto out;

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("INIT VF failed: %d. Breaking...\n",
			  resp->hdr.status);
		rc = -EAGAIN;
		goto out;
	}

	DP(BNX2X_MSG_SP, "INIT VF Succeeded\n");
out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

/* CLOSE VF - opposite to INIT_VF */
void bnx2x_vfpf_close_vf(struct bnx2x *bp)
{
	struct vfpf_close_tlv *req = &bp->vf2pf_mbox->req.close;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	int i, rc;
	u32 vf_id;

	/* If we haven't got a valid VF id, there is no sense to
	 * continue with sending messages
	 */
	if (bnx2x_get_vf_id(bp, &vf_id))
		goto free_irq;

	/* Close the queues */
	for_each_queue(bp, i)
		bnx2x_vfpf_teardown_queue(bp, i);

	/* remove mac */
	bnx2x_vfpf_config_mac(bp, bp->dev->dev_addr, bp->fp->index, false);

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_CLOSE, sizeof(*req));

	req->vf_id = vf_id;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);

	if (rc)
		BNX2X_ERR("Sending CLOSE failed. rc was: %d\n", rc);

	else if (resp->hdr.status != PFVF_STATUS_SUCCESS)
		BNX2X_ERR("Sending CLOSE failed: pf response was %d\n",
			  resp->hdr.status);

	bnx2x_vfpf_finalize(bp, &req->first_tlv);

free_irq:
	/* Disable HW interrupts, NAPI */
	bnx2x_netif_stop(bp, 0);
	/* Delete all NAPI objects */
	bnx2x_del_all_napi(bp);

	/* Release IRQs */
	bnx2x_free_irq(bp);
}

static void bnx2x_leading_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
				   struct bnx2x_vf_queue *q)
{
	u8 cl_id = vfq_cl_id(vf, q);
	u8 func_id = FW_VF_HANDLE(vf->abs_vfid);

	/* mac */
	bnx2x_init_mac_obj(bp, &q->mac_obj,
			   cl_id, q->cid, func_id,
			   bnx2x_vf_sp(bp, vf, mac_rdata),
			   bnx2x_vf_sp_map(bp, vf, mac_rdata),
			   BNX2X_FILTER_MAC_PENDING,
			   &vf->filter_state,
			   BNX2X_OBJ_TYPE_RX_TX,
			   &vf->vf_macs_pool);
	/* vlan */
	bnx2x_init_vlan_obj(bp, &q->vlan_obj,
			    cl_id, q->cid, func_id,
			    bnx2x_vf_sp(bp, vf, vlan_rdata),
			    bnx2x_vf_sp_map(bp, vf, vlan_rdata),
			    BNX2X_FILTER_VLAN_PENDING,
			    &vf->filter_state,
			    BNX2X_OBJ_TYPE_RX_TX,
			    &vf->vf_vlans_pool);
	/* vlan-mac */
	bnx2x_init_vlan_mac_obj(bp, &q->vlan_mac_obj,
				cl_id, q->cid, func_id,
				bnx2x_vf_sp(bp, vf, vlan_mac_rdata),
				bnx2x_vf_sp_map(bp, vf, vlan_mac_rdata),
				BNX2X_FILTER_VLAN_MAC_PENDING,
				&vf->filter_state,
				BNX2X_OBJ_TYPE_RX_TX,
				&vf->vf_macs_pool,
				&vf->vf_vlans_pool);
	/* mcast */
	bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id,
			     q->cid, func_id, func_id,
			     bnx2x_vf_sp(bp, vf, mcast_rdata),
			     bnx2x_vf_sp_map(bp, vf, mcast_rdata),
			     BNX2X_FILTER_MCAST_PENDING,
			     &vf->filter_state,
			     BNX2X_OBJ_TYPE_RX_TX);

	/* rss */
	bnx2x_init_rss_config_obj(bp, &vf->rss_conf_obj, cl_id, q->cid,
				  func_id, func_id,
				  bnx2x_vf_sp(bp, vf, rss_rdata),
				  bnx2x_vf_sp_map(bp, vf, rss_rdata),
				  BNX2X_FILTER_RSS_CONF_PENDING,
				  &vf->filter_state,
				  BNX2X_OBJ_TYPE_RX_TX);

	vf->leading_rss = cl_id;
	q->is_leading = true;
	q->sp_initialized = true;
}

/* ask the pf to open a queue for the vf */
int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       bool is_leading)
{
	struct vfpf_setup_q_tlv *req = &bp->vf2pf_mbox->req.setup_q;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	u8 fp_idx = fp->index;
	u16 tpa_agg_size = 0, flags = 0;
	int rc;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SETUP_Q, sizeof(*req));

	/* select tpa mode to request */
	if (fp->mode != TPA_MODE_DISABLED) {
		flags |= VFPF_QUEUE_FLG_TPA;
		flags |= VFPF_QUEUE_FLG_TPA_IPV6;
		if (fp->mode == TPA_MODE_GRO)
			flags |= VFPF_QUEUE_FLG_TPA_GRO;
		tpa_agg_size = TPA_AGG_SIZE;
	}

	if (is_leading)
		flags |= VFPF_QUEUE_FLG_LEADING_RSS;

	/* calculate queue flags */
	flags |= VFPF_QUEUE_FLG_STATS;
	flags |= VFPF_QUEUE_FLG_CACHE_ALIGN;
	flags |= VFPF_QUEUE_FLG_VLAN;

	/* Common */
	req->vf_qid = fp_idx;
	req->param_valid = VFPF_RXQ_VALID | VFPF_TXQ_VALID;

	/* Rx */
	req->rxq.rcq_addr = fp->rx_comp_mapping;
	req->rxq.rcq_np_addr = fp->rx_comp_mapping + BCM_PAGE_SIZE;
	req->rxq.rxq_addr = fp->rx_desc_mapping;
	req->rxq.sge_addr = fp->rx_sge_mapping;
	req->rxq.vf_sb = fp_idx;
	req->rxq.sb_index = HC_INDEX_ETH_RX_CQ_CONS;
	req->rxq.hc_rate = bp->rx_ticks ? 1000000/bp->rx_ticks : 0;
	req->rxq.mtu = bp->dev->mtu;
	req->rxq.buf_sz = fp->rx_buf_size;
	req->rxq.sge_buf_sz = BCM_PAGE_SIZE * PAGES_PER_SGE;
	req->rxq.tpa_agg_sz = tpa_agg_size;
	req->rxq.max_sge_pkt = SGE_PAGE_ALIGN(bp->dev->mtu) >> SGE_PAGE_SHIFT;
	req->rxq.max_sge_pkt = ((req->rxq.max_sge_pkt + PAGES_PER_SGE - 1) &
			  (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
	req->rxq.flags = flags;
	req->rxq.drop_flags = 0;
	req->rxq.cache_line_log = BNX2X_RX_ALIGN_SHIFT;
	req->rxq.stat_id = -1; /* No stats at the moment */

	/* Tx */
	req->txq.txq_addr = fp->txdata_ptr[FIRST_TX_COS_INDEX]->tx_desc_mapping;
	req->txq.vf_sb = fp_idx;
	req->txq.sb_index = HC_INDEX_ETH_TX_CQ_CONS_COS0;
	req->txq.hc_rate = bp->tx_ticks ? 1000000/bp->tx_ticks : 0;
	req->txq.flags = flags;
	req->txq.traffic_type = LLFC_TRAFFIC_TYPE_NW;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc)
		BNX2X_ERR("Sending SETUP_Q message for queue[%d] failed!\n",
			  fp_idx);

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("Status of SETUP_Q for queue[%d] is %d\n",
			  fp_idx, resp->hdr.status);
		rc = -EINVAL;
	}

	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

static int bnx2x_vfpf_teardown_queue(struct bnx2x *bp, int qidx)
{
	struct vfpf_q_op_tlv *req = &bp->vf2pf_mbox->req.q_op;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	int rc;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_TEARDOWN_Q,
			sizeof(*req));

	req->vf_qid = qidx;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);

	if (rc) {
		BNX2X_ERR("Sending TEARDOWN for queue %d failed: %d\n", qidx,
			  rc);
		goto out;
	}

	/* PF failed the transaction */
	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("TEARDOWN for queue %d failed: %d\n", qidx,
			  resp->hdr.status);
		rc = -EINVAL;
	}

out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

/* request pf to add a mac for the vf */
int bnx2x_vfpf_config_mac(struct bnx2x *bp, u8 *addr, u8 vf_qid, bool set)
{
	struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content;
	int rc = 0;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
			sizeof(*req));

	req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
	req->vf_qid = vf_qid;
	req->n_mac_vlan_filters = 1;

	req->filters[0].flags = VFPF_Q_FILTER_DEST_MAC_VALID;
	if (set)
		req->filters[0].flags |= VFPF_Q_FILTER_SET;

	/* sample bulletin board for new mac */
	bnx2x_sample_bulletin(bp);

	/* copy mac from device to request */
	memcpy(req->filters[0].mac, addr, ETH_ALEN);

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	/* send message to pf */
	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc) {
		BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
		goto out;
	}

	/* failure may mean PF was configured with a new mac for us */
	while (resp->hdr.status == PFVF_STATUS_FAILURE) {
		DP(BNX2X_MSG_IOV,
		   "vfpf SET MAC failed. Check bulletin board for new posts\n");

		/* copy mac from bulletin to device */
		memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN);

		/* check if bulletin board was updated */
		if (bnx2x_sample_bulletin(bp) == PFVF_BULLETIN_UPDATED) {
			/* copy mac from device to request */
			memcpy(req->filters[0].mac, bp->dev->dev_addr,
			       ETH_ALEN);

			/* send message to pf */
			rc = bnx2x_send_msg2pf(bp, &resp->hdr.status,
					       bp->vf2pf_mbox_mapping);
		} else {
			/* no new info in bulletin */
			break;
		}
	}

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("vfpf SET MAC failed: %d\n", resp->hdr.status);
		rc = -EINVAL;
	}
out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

/* request pf to config rss table for vf queues*/
int bnx2x_vfpf_config_rss(struct bnx2x *bp,
			  struct bnx2x_config_rss_params *params)
{
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	struct vfpf_rss_tlv *req = &bp->vf2pf_mbox->req.update_rss;
	int rc = 0;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_UPDATE_RSS,
			sizeof(*req));

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	memcpy(req->ind_table, params->ind_table, T_ETH_INDIRECTION_TABLE_SIZE);
	memcpy(req->rss_key, params->rss_key, sizeof(params->rss_key));
	req->ind_table_size = T_ETH_INDIRECTION_TABLE_SIZE;
	req->rss_key_size = T_ETH_RSS_KEY;
	req->rss_result_mask = params->rss_result_mask;

	/* flags handled individually for backward/forward compatibility */
	if (params->rss_flags & (1 << BNX2X_RSS_MODE_DISABLED))
		req->rss_flags |= VFPF_RSS_MODE_DISABLED;
	if (params->rss_flags & (1 << BNX2X_RSS_MODE_REGULAR))
		req->rss_flags |= VFPF_RSS_MODE_REGULAR;
	if (params->rss_flags & (1 << BNX2X_RSS_SET_SRCH))
		req->rss_flags |= VFPF_RSS_SET_SRCH;
	if (params->rss_flags & (1 << BNX2X_RSS_IPV4))
		req->rss_flags |= VFPF_RSS_IPV4;
	if (params->rss_flags & (1 << BNX2X_RSS_IPV4_TCP))
		req->rss_flags |= VFPF_RSS_IPV4_TCP;
	if (params->rss_flags & (1 << BNX2X_RSS_IPV4_UDP))
		req->rss_flags |= VFPF_RSS_IPV4_UDP;
	if (params->rss_flags & (1 << BNX2X_RSS_IPV6))
		req->rss_flags |= VFPF_RSS_IPV6;
	if (params->rss_flags & (1 << BNX2X_RSS_IPV6_TCP))
		req->rss_flags |= VFPF_RSS_IPV6_TCP;
	if (params->rss_flags & (1 << BNX2X_RSS_IPV6_UDP))
		req->rss_flags |= VFPF_RSS_IPV6_UDP;

	DP(BNX2X_MSG_IOV, "rss flags %x\n", req->rss_flags);

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	/* send message to pf */
	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc) {
		BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
		goto out;
	}

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		/* Since older drivers don't support this feature (and VF has
		 * no way of knowing other than failing this), don't propagate
		 * an error in this case.
		 */
		DP(BNX2X_MSG_IOV,
		   "Failed to send rss message to PF over VF-PF channel [%d]\n",
		   resp->hdr.status);
	}
out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

int bnx2x_vfpf_set_mcast(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	int rc = 0, i = 0;
	struct netdev_hw_addr *ha;

	if (bp->state != BNX2X_STATE_OPEN) {
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return -EINVAL;
	}

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
			sizeof(*req));

	/* Get Rx mode requested */
	DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);

	/* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */
	if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {
		DP(NETIF_MSG_IFUP,
		   "VF supports not more than %d multicast MAC addresses\n",
		   PFVF_MAX_MULTICAST_PER_VF);
		rc = -EINVAL;
		goto out;
	}

	netdev_for_each_mc_addr(ha, dev) {
		DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
		   bnx2x_mc_addr(ha));
		memcpy(req->multicast[i], bnx2x_mc_addr(ha), ETH_ALEN);
		i++;
	}

	req->n_multicast = i;
	req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
	req->vf_qid = 0;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);
	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc) {
		BNX2X_ERR("Sending a message failed: %d\n", rc);
		goto out;
	}

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("Set Rx mode/multicast failed: %d\n",
			  resp->hdr.status);
		rc = -EINVAL;
	}
out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

/* request pf to add a vlan for the vf */
int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add)
{
	struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	int rc = 0;

	if (!(bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER)) {
		DP(BNX2X_MSG_IOV, "HV does not support vlan filtering\n");
		return 0;
	}

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
			sizeof(*req));

	req->flags = VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED;
	req->vf_qid = vf_qid;
	req->n_mac_vlan_filters = 1;

	req->filters[0].flags = VFPF_Q_FILTER_VLAN_TAG_VALID;

	if (add)
		req->filters[0].flags |= VFPF_Q_FILTER_SET;

	/* sample bulletin board for hypervisor vlan */
	bnx2x_sample_bulletin(bp);

	if (bp->shadow_bulletin.content.valid_bitmap & 1 << VLAN_VALID) {
		BNX2X_ERR("Hypervisor will decline the request, avoiding\n");
		rc = -EINVAL;
		goto out;
	}

	req->filters[0].vlan_tag = vid;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	/* send message to pf */
	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc) {
		BNX2X_ERR("failed to send message to pf. rc was %d\n", rc);
		goto out;
	}

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("vfpf %s VLAN %d failed\n", add ? "add" : "del",
			  vid);
		rc = -EINVAL;
	}
out:
	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp)
{
	int mode = bp->rx_mode;
	struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
	struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
	int rc;

	/* clear mailbox and prep first tlv */
	bnx2x_vfpf_prep(bp, &req->first_tlv, CHANNEL_TLV_SET_Q_FILTERS,
			sizeof(*req));

	DP(NETIF_MSG_IFUP, "Rx mode is %d\n", mode);

	/* Ignore everything accept MODE_NONE */
	if (mode  == BNX2X_RX_MODE_NONE) {
		req->rx_mask = VFPF_RX_MASK_ACCEPT_NONE;
	} else {
		/* Current PF driver will not look at the specific flags,
		 * but they are required when working with older drivers on hv.
		 */
		req->rx_mask = VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST;
		req->rx_mask |= VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST;
		req->rx_mask |= VFPF_RX_MASK_ACCEPT_BROADCAST;
		if (mode == BNX2X_RX_MODE_PROMISC)
			req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN;
	}

	if (bp->accept_any_vlan)
		req->rx_mask |= VFPF_RX_MASK_ACCEPT_ANY_VLAN;

	req->flags |= VFPF_SET_Q_FILTERS_RX_MASK_CHANGED;
	req->vf_qid = 0;

	/* add list termination tlv */
	bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* output tlvs list */
	bnx2x_dp_tlv_list(bp, req);

	rc = bnx2x_send_msg2pf(bp, &resp->hdr.status, bp->vf2pf_mbox_mapping);
	if (rc)
		BNX2X_ERR("Sending a message failed: %d\n", rc);

	if (resp->hdr.status != PFVF_STATUS_SUCCESS) {
		BNX2X_ERR("Set Rx mode failed: %d\n", resp->hdr.status);
		rc = -EINVAL;
	}

	bnx2x_vfpf_finalize(bp, &req->first_tlv);

	return rc;
}

/* General service functions */
static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
{
	u32 addr = BAR_CSTRORM_INTMEM +
		   CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);

	REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
}

static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
{
	u32 addr = BAR_CSTRORM_INTMEM +
		   CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);

	REG_WR8(bp, addr, 1);
}

/* enable vf_pf mailbox (aka vf-pf-channel) */
void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
{
	bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);

	/* enable the mailbox in the FW */
	storm_memset_vf_mbx_ack(bp, abs_vfid);
	storm_memset_vf_mbx_valid(bp, abs_vfid);

	/* enable the VF access to the mailbox */
	bnx2x_vf_enable_access(bp, abs_vfid);
}

/* this works only on !E1h */
static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
				dma_addr_t pf_addr, u8 vfid, u32 vf_addr_hi,
				u32 vf_addr_lo, u32 len32)
{
	struct dmae_command dmae;

	if (CHIP_IS_E1x(bp)) {
		BNX2X_ERR("Chip revision does not support VFs\n");
		return DMAE_NOT_RDY;
	}

	if (!bp->dmae_ready) {
		BNX2X_ERR("DMAE is not ready, can not copy\n");
		return DMAE_NOT_RDY;
	}

	/* set opcode and fixed command fields */
	bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_PCI);

	if (from_vf) {
		dmae.opcode_iov = (vfid << DMAE_COMMAND_SRC_VFID_SHIFT) |
			(DMAE_SRC_VF << DMAE_COMMAND_SRC_VFPF_SHIFT) |
			(DMAE_DST_PF << DMAE_COMMAND_DST_VFPF_SHIFT);

		dmae.opcode |= (DMAE_C_DST << DMAE_COMMAND_C_FUNC_SHIFT);

		dmae.src_addr_lo = vf_addr_lo;
		dmae.src_addr_hi = vf_addr_hi;
		dmae.dst_addr_lo = U64_LO(pf_addr);
		dmae.dst_addr_hi = U64_HI(pf_addr);
	} else {
		dmae.opcode_iov = (vfid << DMAE_COMMAND_DST_VFID_SHIFT) |
			(DMAE_DST_VF << DMAE_COMMAND_DST_VFPF_SHIFT) |
			(DMAE_SRC_PF << DMAE_COMMAND_SRC_VFPF_SHIFT);

		dmae.opcode |= (DMAE_C_SRC << DMAE_COMMAND_C_FUNC_SHIFT);

		dmae.src_addr_lo = U64_LO(pf_addr);
		dmae.src_addr_hi = U64_HI(pf_addr);
		dmae.dst_addr_lo = vf_addr_lo;
		dmae.dst_addr_hi = vf_addr_hi;
	}
	dmae.len = len32;

	/* issue the command and wait for completion */
	return bnx2x_issue_dmae_with_comp(bp, &dmae, bnx2x_sp(bp, wb_comp));
}

static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
					 struct bnx2x_virtf *vf)
{
	struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
	u16 length, type;

	/* prepare response */
	type = mbx->first_tlv.tl.type;
	length = type == CHANNEL_TLV_ACQUIRE ?
		sizeof(struct pfvf_acquire_resp_tlv) :
		sizeof(struct pfvf_general_resp_tlv);
	bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
	bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));
}

static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
				       struct bnx2x_virtf *vf,
				       int vf_rc)
{
	struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
	struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
	dma_addr_t pf_addr;
	u64 vf_addr;
	int rc;

	bnx2x_dp_tlv_list(bp, resp);
	DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
	   mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);

	resp->hdr.status = bnx2x_pfvf_status_codes(vf_rc);

	/* send response */
	vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
		  mbx->first_tlv.resp_msg_offset;
	pf_addr = mbx->msg_mapping +
		  offsetof(struct bnx2x_vf_mbx_msg, resp);

	/* Copy the response buffer. The first u64 is written afterwards, as
	 * the vf is sensitive to the header being written
	 */
	vf_addr += sizeof(u64);
	pf_addr += sizeof(u64);
	rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
				  U64_HI(vf_addr),
				  U64_LO(vf_addr),
				  (sizeof(union pfvf_tlvs) - sizeof(u64))/4);
	if (rc) {
		BNX2X_ERR("Failed to copy response body to VF %d\n",
			  vf->abs_vfid);
		goto mbx_error;
	}
	vf_addr -= sizeof(u64);
	pf_addr -= sizeof(u64);

	/* ack the FW */
	storm_memset_vf_mbx_ack(bp, vf->abs_vfid);

	/* copy the response header including status-done field,
	 * must be last dmae, must be after FW is acked
	 */
	rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
				  U64_HI(vf_addr),
				  U64_LO(vf_addr),
				  sizeof(u64)/4);

	/* unlock channel mutex */
	bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);

	if (rc) {
		BNX2X_ERR("Failed to copy response status to VF %d\n",
			  vf->abs_vfid);
		goto mbx_error;
	}
	return;

mbx_error:
	bnx2x_vf_release(bp, vf);
}

static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
			      struct bnx2x_virtf *vf,
			      int rc)
{
	bnx2x_vf_mbx_resp_single_tlv(bp, vf);
	bnx2x_vf_mbx_resp_send_msg(bp, vf, rc);
}

static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
					struct bnx2x_virtf *vf,
					void *buffer,
					u16 *offset)
{
	struct vfpf_port_phys_id_resp_tlv *port_id;

	if (!(bp->flags & HAS_PHYS_PORT_ID))
		return;

	bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
		      sizeof(struct vfpf_port_phys_id_resp_tlv));

	port_id = (struct vfpf_port_phys_id_resp_tlv *)
		  (((u8 *)buffer) + *offset);
	memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);

	/* Offset should continue representing the offset to the tail
	 * of TLV data (outside this function scope)
	 */
	*offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
}

static void bnx2x_vf_mbx_resp_fp_hsi_ver(struct bnx2x *bp,
					 struct bnx2x_virtf *vf,
					 void *buffer,
					 u16 *offset)
{
	struct vfpf_fp_hsi_resp_tlv *fp_hsi;

	bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_FP_HSI_SUPPORT,
		      sizeof(struct vfpf_fp_hsi_resp_tlv));

	fp_hsi = (struct vfpf_fp_hsi_resp_tlv *)
		 (((u8 *)buffer) + *offset);
	fp_hsi->is_supported = (vf->fp_hsi > ETH_FP_HSI_VERSION) ? 0 : 1;

	/* Offset should continue representing the offset to the tail
	 * of TLV data (outside this function scope)
	 */
	*offset += sizeof(struct vfpf_fp_hsi_resp_tlv);
}

static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
				      struct bnx2x_vf_mbx *mbx, int vfop_status)
{
	int i;
	struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
	struct pf_vf_resc *resc = &resp->resc;
	u8 status = bnx2x_pfvf_status_codes(vfop_status);
	u16 length;

	memset(resp, 0, sizeof(*resp));

	/* fill in pfdev info */
	resp->pfdev_info.chip_num = bp->common.chip_id;
	resp->pfdev_info.db_size = bp->db_size;
	resp->pfdev_info.indices_per_sb = HC_SB_MAX_INDICES_E2;
	resp->pfdev_info.pf_cap = (PFVF_CAP_RSS |
				   PFVF_CAP_TPA |
				   PFVF_CAP_TPA_UPDATE |
				   PFVF_CAP_VLAN_FILTER);
	bnx2x_fill_fw_str(bp, resp->pfdev_info.fw_ver,
			  sizeof(resp->pfdev_info.fw_ver));

	if (status == PFVF_STATUS_NO_RESOURCE ||
	    status == PFVF_STATUS_SUCCESS) {
		/* set resources numbers, if status equals NO_RESOURCE these
		 * are max possible numbers
		 */
		resc->num_rxqs = vf_rxq_count(vf) ? :
			bnx2x_vf_max_queue_cnt(bp, vf);
		resc->num_txqs = vf_txq_count(vf) ? :
			bnx2x_vf_max_queue_cnt(bp, vf);
		resc->num_sbs = vf_sb_count(vf);
		resc->num_mac_filters = vf_mac_rules_cnt(vf);
		resc->num_vlan_filters = vf_vlan_rules_cnt(vf);
		resc->num_mc_filters = 0;

		if (status == PFVF_STATUS_SUCCESS) {
			/* fill in the allocated resources */
			struct pf_vf_bulletin_content *bulletin =
				BP_VF_BULLETIN(bp, vf->index);

			for_each_vfq(vf, i)
				resc->hw_qid[i] =
					vfq_qzone_id(vf, vfq_get(vf, i));

			for_each_vf_sb(vf, i) {
				resc->hw_sbs[i].hw_sb_id = vf_igu_sb(vf, i);
				resc->hw_sbs[i].sb_qid = vf_hc_qzone(vf, i);
			}

			/* if a mac has been set for this vf, supply it */
			if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
				memcpy(resc->current_mac_addr, bulletin->mac,
				       ETH_ALEN);
			}
		}
	}

	DP(BNX2X_MSG_IOV, "VF[%d] ACQUIRE_RESPONSE: pfdev_info- chip_num=0x%x, db_size=%d, idx_per_sb=%d, pf_cap=0x%x\n"
	   "resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d, fw_ver: '%s'\n",
	   vf->abs_vfid,
	   resp->pfdev_info.chip_num,
	   resp->pfdev_info.db_size,
	   resp->pfdev_info.indices_per_sb,
	   resp->pfdev_info.pf_cap,
	   resc->num_rxqs,
	   resc->num_txqs,
	   resc->num_sbs,
	   resc->num_mac_filters,
	   resc->num_vlan_filters,
	   resc->num_mc_filters,
	   resp->pfdev_info.fw_ver);

	DP_CONT(BNX2X_MSG_IOV, "hw_qids- [ ");
	for (i = 0; i < vf_rxq_count(vf); i++)
		DP_CONT(BNX2X_MSG_IOV, "%d ", resc->hw_qid[i]);
	DP_CONT(BNX2X_MSG_IOV, "], sb_info- [ ");
	for (i = 0; i < vf_sb_count(vf); i++)
		DP_CONT(BNX2X_MSG_IOV, "%d:%d ",
			resc->hw_sbs[i].hw_sb_id,
			resc->hw_sbs[i].sb_qid);
	DP_CONT(BNX2X_MSG_IOV, "]\n");

	/* prepare response */
	length = sizeof(struct pfvf_acquire_resp_tlv);
	bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);

	/* Handle possible VF requests for physical port identifiers.
	 * 'length' should continue to indicate the offset of the first empty
	 * place in the buffer (i.e., where next TLV should be inserted)
	 */
	if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
				  CHANNEL_TLV_PHYS_PORT_ID))
		bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);

	/* `New' vfs will want to know if fastpath HSI is supported, since
	 * if that's not the case they could print into system log the fact
	 * the driver version must be updated.
	 */
	bnx2x_vf_mbx_resp_fp_hsi_ver(bp, vf, &mbx->msg->resp, &length);

	bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
		      sizeof(struct channel_list_end_tlv));

	/* send the response */
	bnx2x_vf_mbx_resp_send_msg(bp, vf, vfop_status);
}

static bool bnx2x_vf_mbx_is_windows_vm(struct bnx2x *bp,
				       struct vfpf_acquire_tlv *acquire)
{
	/* Windows driver does one of three things:
	 * 1. Old driver doesn't have bulletin board address set.
	 * 2. 'Middle' driver sends mc_num == 32.
	 * 3. New driver sets the OS field.
	 */
	if (!acquire->bulletin_addr ||
	    acquire->resc_request.num_mc_filters == 32 ||
	    ((acquire->vfdev_info.vf_os & VF_OS_MASK) ==
	     VF_OS_WINDOWS))
		return true;

	return false;
}

static int bnx2x_vf_mbx_acquire_chk_dorq(struct bnx2x *bp,
					 struct bnx2x_virtf *vf,
					 struct bnx2x_vf_mbx *mbx)
{
	/* Linux drivers which correctly set the doorbell size also
	 * send a physical port request
	 */
	if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
				  CHANNEL_TLV_PHYS_PORT_ID))
		return 0;

	/* Issue does not exist in windows VMs */
	if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
		return 0;

	return -EOPNOTSUPP;
}

static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
				 struct bnx2x_vf_mbx *mbx)
{
	int rc;
	struct vfpf_acquire_tlv *acquire = &mbx->msg->req.acquire;

	/* log vfdef info */
	DP(BNX2X_MSG_IOV,
	   "VF[%d] ACQUIRE: vfdev_info- vf_id %d, vf_os %d resources- n_rxq-%d, n_txq-%d, n_sbs-%d, n_macs-%d, n_vlans-%d, n_mcs-%d\n",
	   vf->abs_vfid, acquire->vfdev_info.vf_id, acquire->vfdev_info.vf_os,
	   acquire->resc_request.num_rxqs, acquire->resc_request.num_txqs,
	   acquire->resc_request.num_sbs, acquire->resc_request.num_mac_filters,
	   acquire->resc_request.num_vlan_filters,
	   acquire->resc_request.num_mc_filters);

	/* Prevent VFs with old drivers from loading, since they calculate
	 * CIDs incorrectly requiring a VF-flr [VM reboot] in order to recover
	 * while being upgraded.
	 */
	rc = bnx2x_vf_mbx_acquire_chk_dorq(bp, vf, mbx);
	if (rc) {
		DP(BNX2X_MSG_IOV,
		   "VF [%d] - Can't support acquire request due to doorbell mismatch. Please update VM driver\n",
		   vf->abs_vfid);
		goto out;
	}

	/* Verify the VF fastpath HSI can be supported by the loaded FW.
	 * Linux vfs should be oblivious to changes between v0 and v2.
	 */
	if (bnx2x_vf_mbx_is_windows_vm(bp, &mbx->msg->req.acquire))
		vf->fp_hsi = acquire->vfdev_info.fp_hsi_ver;
	else
		vf->fp_hsi = max_t(u8, acquire->vfdev_info.fp_hsi_ver,
				   ETH_FP_HSI_VER_2);
	if (vf->fp_hsi > ETH_FP_HSI_VERSION) {
		DP(BNX2X_MSG_IOV,
		   "VF [%d] - Can't support acquire request since VF requests a FW version which is too new [%02x > %02x]\n",
		   vf->abs_vfid, acquire->vfdev_info.fp_hsi_ver,
		   ETH_FP_HSI_VERSION);
		rc = -EINVAL;
		goto out;
	}

	/* acquire the resources */
	rc = bnx2x_vf_acquire(bp, vf, &acquire->resc_request);

	/* store address of vf's bulletin board */
	vf->bulletin_map = acquire->bulletin_addr;
	if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_EXT_BULLETIN) {
		DP(BNX2X_MSG_IOV, "VF[%d] supports long bulletin boards\n",
		   vf->abs_vfid);
		vf->cfg_flags |= VF_CFG_EXT_BULLETIN;
	} else {
		vf->cfg_flags &= ~VF_CFG_EXT_BULLETIN;
	}

	if (acquire->vfdev_info.caps & VF_CAP_SUPPORT_VLAN_FILTER) {
		DP(BNX2X_MSG_IOV, "VF[%d] supports vlan filtering\n",
		   vf->abs_vfid);
		vf->cfg_flags |= VF_CFG_VLAN_FILTER;
	} else {
		vf->cfg_flags &= ~VF_CFG_VLAN_FILTER;
	}

out:
	/* response */
	bnx2x_vf_mbx_acquire_resp(bp, vf, mbx, rc);
}

static void bnx2x_vf_mbx_init_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
			      struct bnx2x_vf_mbx *mbx)
{
	struct vfpf_init_tlv *init = &mbx->msg->req.init;
	int rc;

	/* record ghost addresses from vf message */
	vf->fw_stat_map = init->stats_addr;
	vf->stats_stride = init->stats_stride;
	rc = bnx2x_vf_init(bp, vf, (dma_addr_t *)init->sb_addr);

	/* set VF multiqueue statistics collection mode */
	if (init->flags & VFPF_INIT_FLG_STATS_COALESCE)
		vf->cfg_flags |= VF_CFG_STATS_COALESCE;

	/* Update VF's view of link state */
	if (vf->cfg_flags & VF_CFG_EXT_BULLETIN)
		bnx2x_iov_link_update_vf(bp, vf->index);

	/* response */
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

/* convert MBX queue-flags to standard SP queue-flags */
static void bnx2x_vf_mbx_set_q_flags(struct bnx2x *bp, u32 mbx_q_flags,
				     unsigned long *sp_q_flags)
{
	if (mbx_q_flags & VFPF_QUEUE_FLG_TPA)
		__set_bit(BNX2X_Q_FLG_TPA, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_IPV6)
		__set_bit(BNX2X_Q_FLG_TPA_IPV6, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_TPA_GRO)
		__set_bit(BNX2X_Q_FLG_TPA_GRO, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_STATS)
		__set_bit(BNX2X_Q_FLG_STATS, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_VLAN)
		__set_bit(BNX2X_Q_FLG_VLAN, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_COS)
		__set_bit(BNX2X_Q_FLG_COS, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_HC)
		__set_bit(BNX2X_Q_FLG_HC, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_DHC)
		__set_bit(BNX2X_Q_FLG_DHC, sp_q_flags);
	if (mbx_q_flags & VFPF_QUEUE_FLG_LEADING_RSS)
		__set_bit(BNX2X_Q_FLG_LEADING_RSS, sp_q_flags);

	/* outer vlan removal is set according to PF's multi function mode */
	if (IS_MF_SD(bp))
		__set_bit(BNX2X_Q_FLG_OV, sp_q_flags);
}

static void bnx2x_vf_mbx_setup_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
				 struct bnx2x_vf_mbx *mbx)
{
	struct vfpf_setup_q_tlv *setup_q = &mbx->msg->req.setup_q;
	struct bnx2x_vf_queue_construct_params qctor;
	int rc = 0;

	/* verify vf_qid */
	if (setup_q->vf_qid >= vf_rxq_count(vf)) {
		BNX2X_ERR("vf_qid %d invalid, max queue count is %d\n",
			  setup_q->vf_qid, vf_rxq_count(vf));
		rc = -EINVAL;
		goto response;
	}

	/* tx queues must be setup alongside rx queues thus if the rx queue
	 * is not marked as valid there's nothing to do.
	 */
	if (setup_q->param_valid & (VFPF_RXQ_VALID|VFPF_TXQ_VALID)) {
		struct bnx2x_vf_queue *q = vfq_get(vf, setup_q->vf_qid);
		unsigned long q_type = 0;

		struct bnx2x_queue_init_params *init_p;
		struct bnx2x_queue_setup_params *setup_p;

		if (bnx2x_vfq_is_leading(q))
			bnx2x_leading_vfq_init(bp, vf, q);

		/* re-init the VF operation context */
		memset(&qctor, 0 ,
		       sizeof(struct bnx2x_vf_queue_construct_params));
		setup_p = &qctor.prep_qsetup;
		init_p =  &qctor.qstate.params.init;

		/* activate immediately */
		__set_bit(BNX2X_Q_FLG_ACTIVE, &setup_p->flags);

		if (setup_q->param_valid & VFPF_TXQ_VALID) {
			struct bnx2x_txq_setup_params *txq_params =
				&setup_p->txq_params;

			__set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type);

			/* save sb resource index */
			q->sb_idx = setup_q->txq.vf_sb;

			/* tx init */
			init_p->tx.hc_rate = setup_q->txq.hc_rate;
			init_p->tx.sb_cq_index = setup_q->txq.sb_index;

			bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
						 &init_p->tx.flags);

			/* tx setup - flags */
			bnx2x_vf_mbx_set_q_flags(bp, setup_q->txq.flags,
						 &setup_p->flags);

			/* tx setup - general, nothing */

			/* tx setup - tx */
			txq_params->dscr_map = setup_q->txq.txq_addr;
			txq_params->sb_cq_index = setup_q->txq.sb_index;
			txq_params->traffic_type = setup_q->txq.traffic_type;

			bnx2x_vfop_qctor_dump_tx(bp, vf, init_p, setup_p,
						 q->index, q->sb_idx);
		}

		if (setup_q->param_valid & VFPF_RXQ_VALID) {
			struct bnx2x_rxq_setup_params *rxq_params =
							&setup_p->rxq_params;

			__set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type);

			/* Note: there is no support for different SBs
			 * for TX and RX
			 */
			q->sb_idx = setup_q->rxq.vf_sb;

			/* rx init */
			init_p->rx.hc_rate = setup_q->rxq.hc_rate;
			init_p->rx.sb_cq_index = setup_q->rxq.sb_index;
			bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
						 &init_p->rx.flags);

			/* rx setup - flags */
			bnx2x_vf_mbx_set_q_flags(bp, setup_q->rxq.flags,
						 &setup_p->flags);

			/* rx setup - general */
			setup_p->gen_params.mtu = setup_q->rxq.mtu;

			/* rx setup - rx */
			rxq_params->drop_flags = setup_q->rxq.drop_flags;
			rxq_params->dscr_map = setup_q->rxq.rxq_addr;
			rxq_params->sge_map = setup_q->rxq.sge_addr;
			rxq_params->rcq_map = setup_q->rxq.rcq_addr;
			rxq_params->rcq_np_map = setup_q->rxq.rcq_np_addr;
			rxq_params->buf_sz = setup_q->rxq.buf_sz;
			rxq_params->tpa_agg_sz = setup_q->rxq.tpa_agg_sz;
			rxq_params->max_sges_pkt = setup_q->rxq.max_sge_pkt;
			rxq_params->sge_buf_sz = setup_q->rxq.sge_buf_sz;
			rxq_params->cache_line_log =
				setup_q->rxq.cache_line_log;
			rxq_params->sb_cq_index = setup_q->rxq.sb_index;

			/* rx setup - multicast engine */
			if (bnx2x_vfq_is_leading(q)) {
				u8 mcast_id = FW_VF_HANDLE(vf->abs_vfid);

				rxq_params->mcast_engine_id = mcast_id;
				__set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags);
			}

			bnx2x_vfop_qctor_dump_rx(bp, vf, init_p, setup_p,
						 q->index, q->sb_idx);
		}
		/* complete the preparations */
		bnx2x_vfop_qctor_prep(bp, vf, q, &qctor, q_type);

		rc = bnx2x_vf_queue_setup(bp, vf, q->index, &qctor);
		if (rc)
			goto response;
	}
response:
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

static int bnx2x_vf_mbx_macvlan_list(struct bnx2x *bp,
				     struct bnx2x_virtf *vf,
				     struct vfpf_set_q_filters_tlv *tlv,
				     struct bnx2x_vf_mac_vlan_filters **pfl,
				     u32 type_flag)
{
	int i, j;
	struct bnx2x_vf_mac_vlan_filters *fl = NULL;

	fl = kzalloc(struct_size(fl, filters, tlv->n_mac_vlan_filters),
		     GFP_KERNEL);
	if (!fl)
		return -ENOMEM;

	for (i = 0, j = 0; i < tlv->n_mac_vlan_filters; i++) {
		struct vfpf_q_mac_vlan_filter *msg_filter = &tlv->filters[i];

		if ((msg_filter->flags & type_flag) != type_flag)
			continue;
		memset(&fl->filters[j], 0, sizeof(fl->filters[j]));
		if (type_flag & VFPF_Q_FILTER_DEST_MAC_VALID) {
			fl->filters[j].mac = msg_filter->mac;
			fl->filters[j].type |= BNX2X_VF_FILTER_MAC;
		}
		if (type_flag & VFPF_Q_FILTER_VLAN_TAG_VALID) {
			fl->filters[j].vid = msg_filter->vlan_tag;
			fl->filters[j].type |= BNX2X_VF_FILTER_VLAN;
		}
		fl->filters[j].add = !!(msg_filter->flags & VFPF_Q_FILTER_SET);
		fl->count++;
		j++;
	}
	if (!fl->count)
		kfree(fl);
	else
		*pfl = fl;

	return 0;
}

static int bnx2x_vf_filters_contain(struct vfpf_set_q_filters_tlv *filters,
				    u32 flags)
{
	int i, cnt = 0;

	for (i = 0; i < filters->n_mac_vlan_filters; i++)
		if  ((filters->filters[i].flags & flags) == flags)
			cnt++;

	return cnt;
}

static void bnx2x_vf_mbx_dp_q_filter(struct bnx2x *bp, int msglvl, int idx,
				       struct vfpf_q_mac_vlan_filter *filter)
{
	DP(msglvl, "MAC-VLAN[%d] -- flags=0x%x\n", idx, filter->flags);
	if (filter->flags & VFPF_Q_FILTER_VLAN_TAG_VALID)
		DP_CONT(msglvl, ", vlan=%d", filter->vlan_tag);
	if (filter->flags & VFPF_Q_FILTER_DEST_MAC_VALID)
		DP_CONT(msglvl, ", MAC=%pM", filter->mac);
	DP_CONT(msglvl, "\n");
}

static void bnx2x_vf_mbx_dp_q_filters(struct bnx2x *bp, int msglvl,
				       struct vfpf_set_q_filters_tlv *filters)
{
	int i;

	if (filters->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED)
		for (i = 0; i < filters->n_mac_vlan_filters; i++)
			bnx2x_vf_mbx_dp_q_filter(bp, msglvl, i,
						 &filters->filters[i]);

	if (filters->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED)
		DP(msglvl, "RX-MASK=0x%x\n", filters->rx_mask);

	if (filters->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED)
		for (i = 0; i < filters->n_multicast; i++)
			DP(msglvl, "MULTICAST=%pM\n", filters->multicast[i]);
}

#define VFPF_MAC_FILTER		VFPF_Q_FILTER_DEST_MAC_VALID
#define VFPF_VLAN_FILTER	VFPF_Q_FILTER_VLAN_TAG_VALID
#define VFPF_VLAN_MAC_FILTER	(VFPF_VLAN_FILTER | VFPF_MAC_FILTER)

static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf)
{
	int rc = 0;

	struct vfpf_set_q_filters_tlv *msg =
		&BP_VF_MBX(bp, vf->index)->msg->req.set_q_filters;

	/* check for any mac/vlan changes */
	if (msg->flags & VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED) {
		struct bnx2x_vf_mac_vlan_filters *fl = NULL;

		/* build vlan-mac list */
		rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
					       VFPF_VLAN_MAC_FILTER);
		if (rc)
			goto op_err;

		if (fl) {

			/* set vlan-mac list */
			rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
							   msg->vf_qid,
							   false);
			if (rc)
				goto op_err;
		}

		/* build mac list */
		fl = NULL;

		rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
					       VFPF_MAC_FILTER);
		if (rc)
			goto op_err;

		if (fl) {
			/* set mac list */
			rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
							   msg->vf_qid,
							   false);
			if (rc)
				goto op_err;
		}

		/* build vlan list */
		fl = NULL;

		rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl,
					       VFPF_VLAN_FILTER);
		if (rc)
			goto op_err;

		if (fl) {
			/* set vlan list */
			rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl,
							   msg->vf_qid,
							   false);
			if (rc)
				goto op_err;
		}

	}

	if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) {
		unsigned long accept = 0;
		struct pf_vf_bulletin_content *bulletin =
					BP_VF_BULLETIN(bp, vf->index);

		/* Ignore VF requested mode; instead set a regular mode */
		if (msg->rx_mask !=  VFPF_RX_MASK_ACCEPT_NONE) {
			__set_bit(BNX2X_ACCEPT_UNICAST, &accept);
			__set_bit(BNX2X_ACCEPT_MULTICAST, &accept);
			__set_bit(BNX2X_ACCEPT_BROADCAST, &accept);
		}

		/* any_vlan is not configured if HV is forcing VLAN
		 * any_vlan is configured if
		 *   1. VF does not support vlan filtering
		 *   OR
		 *   2. VF supports vlan filtering and explicitly requested it
		 */
		if (!(bulletin->valid_bitmap & (1 << VLAN_VALID)) &&
		    (!(vf->cfg_flags & VF_CFG_VLAN_FILTER) ||
		     msg->rx_mask & VFPF_RX_MASK_ACCEPT_ANY_VLAN))
			__set_bit(BNX2X_ACCEPT_ANY_VLAN, &accept);

		/* set rx-mode */
		rc = bnx2x_vf_rxmode(bp, vf, msg->vf_qid, accept);
		if (rc)
			goto op_err;
	}

	if (msg->flags & VFPF_SET_Q_FILTERS_MULTICAST_CHANGED) {
		/* set mcasts */
		rc = bnx2x_vf_mcast(bp, vf, msg->multicast,
				    msg->n_multicast, false);
		if (rc)
			goto op_err;
	}
op_err:
	if (rc)
		BNX2X_ERR("QFILTERS[%d:%d] error: rc %d\n",
			  vf->abs_vfid, msg->vf_qid, rc);
	return rc;
}

static int bnx2x_filters_validate_mac(struct bnx2x *bp,
				      struct bnx2x_virtf *vf,
				      struct vfpf_set_q_filters_tlv *filters)
{
	struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
	int rc = 0;

	/* if a mac was already set for this VF via the set vf mac ndo, we only
	 * accept mac configurations of that mac. Why accept them at all?
	 * because PF may have been unable to configure the mac at the time
	 * since queue was not set up.
	 */
	if (bulletin->valid_bitmap & 1 << MAC_ADDR_VALID) {
		struct vfpf_q_mac_vlan_filter *filter = NULL;
		int i;

		for (i = 0; i < filters->n_mac_vlan_filters; i++) {
			if (!(filters->filters[i].flags &
			      VFPF_Q_FILTER_DEST_MAC_VALID))
				continue;

			/* once a mac was set by ndo can only accept
			 * a single mac...
			 */
			if (filter) {
				BNX2X_ERR("VF[%d] requested the addition of multiple macs after set_vf_mac ndo was called [%d filters]\n",
					  vf->abs_vfid,
					  filters->n_mac_vlan_filters);
				rc = -EPERM;
				goto response;
			}

			filter = &filters->filters[i];
		}

		/* ...and only the mac set by the ndo */
		if (filter &&
		    !ether_addr_equal(filter->mac, bulletin->mac)) {
			BNX2X_ERR("VF[%d] requested the addition of a mac address not matching the one configured by set_vf_mac ndo\n",
				  vf->abs_vfid);

			rc = -EPERM;
			goto response;
		}
	}

response:
	return rc;
}

static int bnx2x_filters_validate_vlan(struct bnx2x *bp,
				       struct bnx2x_virtf *vf,
				       struct vfpf_set_q_filters_tlv *filters)
{
	struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf->index);
	int rc = 0;

	/* if vlan was set by hypervisor we don't allow guest to config vlan */
	if (bulletin->valid_bitmap & 1 << VLAN_VALID) {
		/* search for vlan filters */

		if (bnx2x_vf_filters_contain(filters,
					     VFPF_Q_FILTER_VLAN_TAG_VALID)) {
			BNX2X_ERR("VF[%d] attempted to configure vlan but one was already set by Hypervisor. Aborting request\n",
				  vf->abs_vfid);
			rc = -EPERM;
			goto response;
		}
	}

	/* verify vf_qid */
	if (filters->vf_qid > vf_rxq_count(vf)) {
		rc = -EPERM;
		goto response;
	}

response:
	return rc;
}

static void bnx2x_vf_mbx_set_q_filters(struct bnx2x *bp,
				       struct bnx2x_virtf *vf,
				       struct bnx2x_vf_mbx *mbx)
{
	struct vfpf_set_q_filters_tlv *filters = &mbx->msg->req.set_q_filters;
	int rc;

	rc = bnx2x_filters_validate_mac(bp, vf, filters);
	if (rc)
		goto response;

	rc = bnx2x_filters_validate_vlan(bp, vf, filters);
	if (rc)
		goto response;

	DP(BNX2X_MSG_IOV, "VF[%d] Q_FILTERS: queue[%d]\n",
	   vf->abs_vfid,
	   filters->vf_qid);

	/* print q_filter message */
	bnx2x_vf_mbx_dp_q_filters(bp, BNX2X_MSG_IOV, filters);

	rc = bnx2x_vf_mbx_qfilters(bp, vf);
response:
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

static void bnx2x_vf_mbx_teardown_q(struct bnx2x *bp, struct bnx2x_virtf *vf,
				    struct bnx2x_vf_mbx *mbx)
{
	int qid = mbx->msg->req.q_op.vf_qid;
	int rc;

	DP(BNX2X_MSG_IOV, "VF[%d] Q_TEARDOWN: vf_qid=%d\n",
	   vf->abs_vfid, qid);

	rc = bnx2x_vf_queue_teardown(bp, vf, qid);
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

static void bnx2x_vf_mbx_close_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
				  struct bnx2x_vf_mbx *mbx)
{
	int rc;

	DP(BNX2X_MSG_IOV, "VF[%d] VF_CLOSE\n", vf->abs_vfid);

	rc = bnx2x_vf_close(bp, vf);
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

static void bnx2x_vf_mbx_release_vf(struct bnx2x *bp, struct bnx2x_virtf *vf,
				    struct bnx2x_vf_mbx *mbx)
{
	int rc;

	DP(BNX2X_MSG_IOV, "VF[%d] VF_RELEASE\n", vf->abs_vfid);

	rc = bnx2x_vf_free(bp, vf);
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

static void bnx2x_vf_mbx_update_rss(struct bnx2x *bp, struct bnx2x_virtf *vf,
				    struct bnx2x_vf_mbx *mbx)
{
	struct bnx2x_config_rss_params rss;
	struct vfpf_rss_tlv *rss_tlv = &mbx->msg->req.update_rss;
	int rc = 0;

	if (rss_tlv->ind_table_size != T_ETH_INDIRECTION_TABLE_SIZE ||
	    rss_tlv->rss_key_size != T_ETH_RSS_KEY) {
		BNX2X_ERR("failing rss configuration of vf %d due to size mismatch\n",
			  vf->index);
		rc = -EINVAL;
		goto mbx_resp;
	}

	memset(&rss, 0, sizeof(struct bnx2x_config_rss_params));

	/* set vfop params according to rss tlv */
	memcpy(rss.ind_table, rss_tlv->ind_table,
	       T_ETH_INDIRECTION_TABLE_SIZE);
	memcpy(rss.rss_key, rss_tlv->rss_key, sizeof(rss_tlv->rss_key));
	rss.rss_obj = &vf->rss_conf_obj;
	rss.rss_result_mask = rss_tlv->rss_result_mask;

	/* flags handled individually for backward/forward compatibility */
	rss.rss_flags = 0;
	rss.ramrod_flags = 0;

	if (rss_tlv->rss_flags & VFPF_RSS_MODE_DISABLED)
		__set_bit(BNX2X_RSS_MODE_DISABLED, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_MODE_REGULAR)
		__set_bit(BNX2X_RSS_MODE_REGULAR, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_SET_SRCH)
		__set_bit(BNX2X_RSS_SET_SRCH, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_IPV4)
		__set_bit(BNX2X_RSS_IPV4, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP)
		__set_bit(BNX2X_RSS_IPV4_TCP, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP)
		__set_bit(BNX2X_RSS_IPV4_UDP, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_IPV6)
		__set_bit(BNX2X_RSS_IPV6, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP)
		__set_bit(BNX2X_RSS_IPV6_TCP, &rss.rss_flags);
	if (rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)
		__set_bit(BNX2X_RSS_IPV6_UDP, &rss.rss_flags);

	if ((!(rss_tlv->rss_flags & VFPF_RSS_IPV4_TCP) &&
	     rss_tlv->rss_flags & VFPF_RSS_IPV4_UDP) ||
	    (!(rss_tlv->rss_flags & VFPF_RSS_IPV6_TCP) &&
	     rss_tlv->rss_flags & VFPF_RSS_IPV6_UDP)) {
		BNX2X_ERR("about to hit a FW assert. aborting...\n");
		rc = -EINVAL;
		goto mbx_resp;
	}

	rc = bnx2x_vf_rss_update(bp, vf, &rss);
mbx_resp:
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

static int bnx2x_validate_tpa_params(struct bnx2x *bp,
				       struct vfpf_tpa_tlv *tpa_tlv)
{
	int rc = 0;

	if (tpa_tlv->tpa_client_info.max_sges_for_packet >
	    U_ETH_MAX_SGES_FOR_PACKET) {
		rc = -EINVAL;
		BNX2X_ERR("TPA update: max_sges received %d, max is %d\n",
			  tpa_tlv->tpa_client_info.max_sges_for_packet,
			  U_ETH_MAX_SGES_FOR_PACKET);
	}

	if (tpa_tlv->tpa_client_info.max_tpa_queues > MAX_AGG_QS(bp)) {
		rc = -EINVAL;
		BNX2X_ERR("TPA update: max_tpa_queues received %d, max is %d\n",
			  tpa_tlv->tpa_client_info.max_tpa_queues,
			  MAX_AGG_QS(bp));
	}

	return rc;
}

static void bnx2x_vf_mbx_update_tpa(struct bnx2x *bp, struct bnx2x_virtf *vf,
				    struct bnx2x_vf_mbx *mbx)
{
	struct bnx2x_queue_update_tpa_params vf_op_params;
	struct vfpf_tpa_tlv *tpa_tlv = &mbx->msg->req.update_tpa;
	int rc = 0;

	memset(&vf_op_params, 0, sizeof(vf_op_params));

	if (bnx2x_validate_tpa_params(bp, tpa_tlv))
		goto mbx_resp;

	vf_op_params.complete_on_both_clients =
		tpa_tlv->tpa_client_info.complete_on_both_clients;
	vf_op_params.dont_verify_thr =
		tpa_tlv->tpa_client_info.dont_verify_thr;
	vf_op_params.max_agg_sz =
		tpa_tlv->tpa_client_info.max_agg_size;
	vf_op_params.max_sges_pkt =
		tpa_tlv->tpa_client_info.max_sges_for_packet;
	vf_op_params.max_tpa_queues =
		tpa_tlv->tpa_client_info.max_tpa_queues;
	vf_op_params.sge_buff_sz =
		tpa_tlv->tpa_client_info.sge_buff_size;
	vf_op_params.sge_pause_thr_high =
		tpa_tlv->tpa_client_info.sge_pause_thr_high;
	vf_op_params.sge_pause_thr_low =
		tpa_tlv->tpa_client_info.sge_pause_thr_low;
	vf_op_params.tpa_mode =
		tpa_tlv->tpa_client_info.tpa_mode;
	vf_op_params.update_ipv4 =
		tpa_tlv->tpa_client_info.update_ipv4;
	vf_op_params.update_ipv6 =
		tpa_tlv->tpa_client_info.update_ipv6;

	rc = bnx2x_vf_tpa_update(bp, vf, tpa_tlv, &vf_op_params);

mbx_resp:
	bnx2x_vf_mbx_resp(bp, vf, rc);
}

/* dispatch request */
static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
				  struct bnx2x_vf_mbx *mbx)
{
	int i;

	/* check if tlv type is known */
	if (bnx2x_tlv_supported(mbx->first_tlv.tl.type)) {
		/* Lock the per vf op mutex and note the locker's identity.
		 * The unlock will take place in mbx response.
		 */
		bnx2x_lock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);

		/* switch on the opcode */
		switch (mbx->first_tlv.tl.type) {
		case CHANNEL_TLV_ACQUIRE:
			bnx2x_vf_mbx_acquire(bp, vf, mbx);
			return;
		case CHANNEL_TLV_INIT:
			bnx2x_vf_mbx_init_vf(bp, vf, mbx);
			return;
		case CHANNEL_TLV_SETUP_Q:
			bnx2x_vf_mbx_setup_q(bp, vf, mbx);
			return;
		case CHANNEL_TLV_SET_Q_FILTERS:
			bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
			return;
		case CHANNEL_TLV_TEARDOWN_Q:
			bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
			return;
		case CHANNEL_TLV_CLOSE:
			bnx2x_vf_mbx_close_vf(bp, vf, mbx);
			return;
		case CHANNEL_TLV_RELEASE:
			bnx2x_vf_mbx_release_vf(bp, vf, mbx);
			return;
		case CHANNEL_TLV_UPDATE_RSS:
			bnx2x_vf_mbx_update_rss(bp, vf, mbx);
			return;
		case CHANNEL_TLV_UPDATE_TPA:
			bnx2x_vf_mbx_update_tpa(bp, vf, mbx);
			return;
		}

	} else {
		/* unknown TLV - this may belong to a VF driver from the future
		 * - a version written after this PF driver was written, which
		 * supports features unknown as of yet. Too bad since we don't
		 * support them. Or this may be because someone wrote a crappy
		 * VF driver and is sending garbage over the channel.
		 */
		BNX2X_ERR("unknown TLV. type %d length %d vf->state was %d. first 20 bytes of mailbox buffer:\n",
			  mbx->first_tlv.tl.type, mbx->first_tlv.tl.length,
			  vf->state);
		for (i = 0; i < 20; i++)
			DP_CONT(BNX2X_MSG_IOV, "%x ",
				mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
	}

	/* can we respond to VF (do we have an address for it?) */
	if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
		/* notify the VF that we do not support this request */
		bnx2x_vf_mbx_resp(bp, vf, PFVF_STATUS_NOT_SUPPORTED);
	} else {
		/* can't send a response since this VF is unknown to us
		 * just ack the FW to release the mailbox and unlock
		 * the channel.
		 */
		storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
		/* Firmware ack should be written before unlocking channel */
		bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
	}
}

void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
			   struct vf_pf_event_data *vfpf_event)
{
	u8 vf_idx;

	DP(BNX2X_MSG_IOV,
	   "vf pf event received: vfid %d, address_hi %x, address lo %x",
	   vfpf_event->vf_id, vfpf_event->msg_addr_hi, vfpf_event->msg_addr_lo);
	/* Sanity checks consider removing later */

	/* check if the vf_id is valid */
	if (vfpf_event->vf_id - BP_VFDB(bp)->sriov.first_vf_in_pf >
	    BNX2X_NR_VIRTFN(bp)) {
		BNX2X_ERR("Illegal vf_id %d max allowed: %d\n",
			  vfpf_event->vf_id, BNX2X_NR_VIRTFN(bp));
		return;
	}

	vf_idx = bnx2x_vf_idx_by_abs_fid(bp, vfpf_event->vf_id);

	/* Update VFDB with current message and schedule its handling */
	mutex_lock(&BP_VFDB(bp)->event_mutex);
	BP_VF_MBX(bp, vf_idx)->vf_addr_hi =
		le32_to_cpu(vfpf_event->msg_addr_hi);
	BP_VF_MBX(bp, vf_idx)->vf_addr_lo =
		le32_to_cpu(vfpf_event->msg_addr_lo);
	BP_VFDB(bp)->event_occur |= (1ULL << vf_idx);
	mutex_unlock(&BP_VFDB(bp)->event_mutex);

	bnx2x_schedule_iov_task(bp, BNX2X_IOV_HANDLE_VF_MSG);
}

/* handle new vf-pf messages */
void bnx2x_vf_mbx(struct bnx2x *bp)
{
	struct bnx2x_vfdb *vfdb = BP_VFDB(bp);
	u64 events;
	u8 vf_idx;
	int rc;

	if (!vfdb)
		return;

	mutex_lock(&vfdb->event_mutex);
	events = vfdb->event_occur;
	vfdb->event_occur = 0;
	mutex_unlock(&vfdb->event_mutex);

	for_each_vf(bp, vf_idx) {
		struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf_idx);
		struct bnx2x_virtf *vf = BP_VF(bp, vf_idx);

		/* Handle VFs which have pending events */
		if (!(events & (1ULL << vf_idx)))
			continue;

		DP(BNX2X_MSG_IOV,
		   "Handling vf pf event vfid %d, address: [%x:%x], resp_offset 0x%x\n",
		   vf_idx, mbx->vf_addr_hi, mbx->vf_addr_lo,
		   mbx->first_tlv.resp_msg_offset);

		/* dmae to get the VF request */
		rc = bnx2x_copy32_vf_dmae(bp, true, mbx->msg_mapping,
					  vf->abs_vfid, mbx->vf_addr_hi,
					  mbx->vf_addr_lo,
					  sizeof(union vfpf_tlvs)/4);
		if (rc) {
			BNX2X_ERR("Failed to copy request VF %d\n",
				  vf->abs_vfid);
			bnx2x_vf_release(bp, vf);
			return;
		}

		/* process the VF message header */
		mbx->first_tlv = mbx->msg->req.first_tlv;

		/* Clean response buffer to refrain from falsely
		 * seeing chains.
		 */
		memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));

		/* dispatch the request (will prepare the response) */
		bnx2x_vf_mbx_request(bp, vf, mbx);
	}
}

void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,
				bool support_long)
{
	/* Older VFs contain a bug where they can't check CRC for bulletin
	 * boards of length greater than legacy size.
	 */
	bulletin->length = support_long ? BULLETIN_CONTENT_SIZE :
					  BULLETIN_CONTENT_LEGACY_SIZE;
	bulletin->crc = bnx2x_crc_vf_bulletin(bulletin);
}

/* propagate local bulletin board to vf */
int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf)
{
	struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vf);
	dma_addr_t pf_addr = BP_VF_BULLETIN_DMA(bp)->mapping +
		vf * BULLETIN_CONTENT_SIZE;
	dma_addr_t vf_addr = bnx2x_vf(bp, vf, bulletin_map);
	int rc;

	/* can only update vf after init took place */
	if (bnx2x_vf(bp, vf, state) != VF_ENABLED &&
	    bnx2x_vf(bp, vf, state) != VF_ACQUIRED)
		return 0;

	/* increment bulletin board version and compute crc */
	bulletin->version++;
	bnx2x_vf_bulletin_finalize(bulletin,
				   (bnx2x_vf(bp, vf, cfg_flags) &
				    VF_CFG_EXT_BULLETIN) ? true : false);

	/* propagate bulletin board via dmae to vm memory */
	rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr,
				  bnx2x_vf(bp, vf, abs_vfid), U64_HI(vf_addr),
				  U64_LO(vf_addr), bulletin->length / 4);
	return rc;
}